Home / 113,231.32-156,255.42-62,929.24

Finding the Fourth Proportional to 113,231.32, 156,255.42 and 62,929.24

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Solution

The fourth proportional to 113,231.32, 156,255.42 and 62,929.24 is: 86,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,231.32 : 156,255.42 = 62,929.24 : x
  2. Step 2: Convert to fraction form
    113,231.32/156,255.42 = 62,929.24/x
  3. Step 3: Cross multiply
    113,231.32x = 156,255.42 × 62,929.24
  4. Step 4: Simplify right side
    113,231.32x = 9,833,034,826.48
  5. Step 5: Solve for x
    x = 9,833,034,826.48/113,231.32
  6. Step 6: Final answer
    x = 86,840.24

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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.