Home / 130,788.17-180,475.20-73,414.35

Finding the Fourth Proportional to 130,788.17, 180,475.20 and 73,414.35

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Solution

The fourth proportional to 130,788.17, 180,475.20 and 73,414.35 is: 101,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,788.17 : 180,475.20 = 73,414.35 : x
  2. Step 2: Convert to fraction form
    130,788.17/180,475.20 = 73,414.35/x
  3. Step 3: Cross multiply
    130,788.17x = 180,475.20 × 73,414.35
  4. Step 4: Simplify right side
    130,788.17x = 13,249,469,499.12
  5. Step 5: Solve for x
    x = 13,249,469,499.12/130,788.17
  6. Step 6: Final answer
    x = 101,304.80

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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.