Home / 113,459.32-156,563.04-62,471.44

Finding the Fourth Proportional to 113,459.32, 156,563.04 and 62,471.44

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Solution

The fourth proportional to 113,459.32, 156,563.04 and 62,471.44 is: 86,204.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,459.32 : 156,563.04 = 62,471.44 : x
  2. Step 2: Convert to fraction form
    113,459.32/156,563.04 = 62,471.44/x
  3. Step 3: Cross multiply
    113,459.32x = 156,563.04 × 62,471.44
  4. Step 4: Simplify right side
    113,459.32x = 9,780,718,559.58
  5. Step 5: Solve for x
    x = 9,780,718,559.58/113,459.32
  6. Step 6: Final answer
    x = 86,204.63

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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.