Home / 113,006.72-155,947.20-62,704.64

Finding the Fourth Proportional to 113,006.72, 155,947.20 and 62,704.64

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Solution

The fourth proportional to 113,006.72, 155,947.20 and 62,704.64 is: 86,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,006.72 : 155,947.20 = 62,704.64 : x
  2. Step 2: Convert to fraction form
    113,006.72/155,947.20 = 62,704.64/x
  3. Step 3: Cross multiply
    113,006.72x = 155,947.20 × 62,704.64
  4. Step 4: Simplify right side
    113,006.72x = 9,778,613,035.01
  5. Step 5: Solve for x
    x = 9,778,613,035.01/113,006.72
  6. Step 6: Final answer
    x = 86,531.25

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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.