Home / 113,295.22-156,344.03-62,307.88

Finding the Fourth Proportional to 113,295.22, 156,344.03 and 62,307.88

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Solution

The fourth proportional to 113,295.22, 156,344.03 and 62,307.88 is: 85,983.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,295.22 : 156,344.03 = 62,307.88 : x
  2. Step 2: Convert to fraction form
    113,295.22/156,344.03 = 62,307.88/x
  3. Step 3: Cross multiply
    113,295.22x = 156,344.03 × 62,307.88
  4. Step 4: Simplify right side
    113,295.22x = 9,741,465,059.96
  5. Step 5: Solve for x
    x = 9,741,465,059.96/113,295.22
  6. Step 6: Final answer
    x = 85,983.02

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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.