Home / 130,569.52-180,193.20-73,999.12

Finding the Fourth Proportional to 130,569.52, 180,193.20 and 73,999.12

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Solution

The fourth proportional to 130,569.52, 180,193.20 and 73,999.12 is: 102,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,569.52 : 180,193.20 = 73,999.12 : x
  2. Step 2: Convert to fraction form
    130,569.52/180,193.20 = 73,999.12/x
  3. Step 3: Cross multiply
    130,569.52x = 180,193.20 × 73,999.12
  4. Step 4: Simplify right side
    130,569.52x = 13,334,138,229.98
  5. Step 5: Solve for x
    x = 13,334,138,229.98/130,569.52
  6. Step 6: Final answer
    x = 102,122.90

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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.