Home / 125,724.40-188,586.60-111,946.30

Finding the Fourth Proportional to 125,724.40, 188,586.60 and 111,946.30

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Solution

The fourth proportional to 125,724.40, 188,586.60 and 111,946.30 is: 167,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,724.40 : 188,586.60 = 111,946.30 : x
  2. Step 2: Convert to fraction form
    125,724.40/188,586.60 = 111,946.30/x
  3. Step 3: Cross multiply
    125,724.40x = 188,586.60 × 111,946.30
  4. Step 4: Simplify right side
    125,724.40x = 21,111,572,099.58
  5. Step 5: Solve for x
    x = 21,111,572,099.58/125,724.40
  6. Step 6: Final answer
    x = 167,919.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.