Home / 125,164.20-187,800.30-72,618.60

Finding the Fourth Proportional to 125,164.20, 187,800.30 and 72,618.60

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Solution

The fourth proportional to 125,164.20, 187,800.30 and 72,618.60 is: 108,959.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,164.20 : 187,800.30 = 72,618.60 : x
  2. Step 2: Convert to fraction form
    125,164.20/187,800.30 = 72,618.60/x
  3. Step 3: Cross multiply
    125,164.20x = 187,800.30 × 72,618.60
  4. Step 4: Simplify right side
    125,164.20x = 13,637,794,865.58
  5. Step 5: Solve for x
    x = 13,637,794,865.58/125,164.20
  6. Step 6: Final answer
    x = 108,959.23

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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.