Home / 131,023.04-180,812.40-74,437.52

Finding the Fourth Proportional to 131,023.04, 180,812.40 and 74,437.52

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Solution

The fourth proportional to 131,023.04, 180,812.40 and 74,437.52 is: 102,724.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,023.04 : 180,812.40 = 74,437.52 : x
  2. Step 2: Convert to fraction form
    131,023.04/180,812.40 = 74,437.52/x
  3. Step 3: Cross multiply
    131,023.04x = 180,812.40 × 74,437.52
  4. Step 4: Simplify right side
    131,023.04x = 13,459,226,641.25
  5. Step 5: Solve for x
    x = 13,459,226,641.25/131,023.04
  6. Step 6: Final answer
    x = 102,724.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.