Home / 113,463.64-156,578.48-62,475.30

Finding the Fourth Proportional to 113,463.64, 156,578.48 and 62,475.30

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Solution

The fourth proportional to 113,463.64, 156,578.48 and 62,475.30 is: 86,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,463.64 : 156,578.48 = 62,475.30 : x
  2. Step 2: Convert to fraction form
    113,463.64/156,578.48 = 62,475.30/x
  3. Step 3: Cross multiply
    113,463.64x = 156,578.48 × 62,475.30
  4. Step 4: Simplify right side
    113,463.64x = 9,782,287,511.54
  5. Step 5: Solve for x
    x = 9,782,287,511.54/113,463.64
  6. Step 6: Final answer
    x = 86,215.17

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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.