Home / 131,023.29-180,812.75-74,437.77

Finding the Fourth Proportional to 131,023.29, 180,812.75 and 74,437.77

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Solution

The fourth proportional to 131,023.29, 180,812.75 and 74,437.77 is: 102,724.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,023.29 : 180,812.75 = 74,437.77 : x
  2. Step 2: Convert to fraction form
    131,023.29/180,812.75 = 74,437.77/x
  3. Step 3: Cross multiply
    131,023.29x = 180,812.75 × 74,437.77
  4. Step 4: Simplify right side
    131,023.29x = 13,459,297,897.57
  5. Step 5: Solve for x
    x = 13,459,297,897.57/131,023.29
  6. Step 6: Final answer
    x = 102,724.47

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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.