Home / 125,624.20-188,436.30-55,640.20

Finding the Fourth Proportional to 125,624.20, 188,436.30 and 55,640.20

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Solution

The fourth proportional to 125,624.20, 188,436.30 and 55,640.20 is: 83,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,624.20 : 188,436.30 = 55,640.20 : x
  2. Step 2: Convert to fraction form
    125,624.20/188,436.30 = 55,640.20/x
  3. Step 3: Cross multiply
    125,624.20x = 188,436.30 × 55,640.20
  4. Step 4: Simplify right side
    125,624.20x = 10,484,633,419.26
  5. Step 5: Solve for x
    x = 10,484,633,419.26/125,624.20
  6. Step 6: Final answer
    x = 83,460.30

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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.