Home / 130,861.52-180,591.32-74,276.52

Finding the Fourth Proportional to 130,861.52, 180,591.32 and 74,276.52

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Solution

The fourth proportional to 130,861.52, 180,591.32 and 74,276.52 is: 102,502.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,861.52 : 180,591.32 = 74,276.52 : x
  2. Step 2: Convert to fraction form
    130,861.52/180,591.32 = 74,276.52/x
  3. Step 3: Cross multiply
    130,861.52x = 180,591.32 × 74,276.52
  4. Step 4: Simplify right side
    130,861.52x = 13,413,694,791.81
  5. Step 5: Solve for x
    x = 13,413,694,791.81/130,861.52
  6. Step 6: Final answer
    x = 102,502.97

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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.