Home / 113,727.12-156,941.40-62,744.64

Finding the Fourth Proportional to 113,727.12, 156,941.40 and 62,744.64

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Solution

The fourth proportional to 113,727.12, 156,941.40 and 62,744.64 is: 86,586.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,727.12 : 156,941.40 = 62,744.64 : x
  2. Step 2: Convert to fraction form
    113,727.12/156,941.40 = 62,744.64/x
  3. Step 3: Cross multiply
    113,727.12x = 156,941.40 × 62,744.64
  4. Step 4: Simplify right side
    113,727.12x = 9,847,231,644.10
  5. Step 5: Solve for x
    x = 9,847,231,644.10/113,727.12
  6. Step 6: Final answer
    x = 86,586.49

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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.