Home / 81,444.30-122,166.45-34,701.90

Finding the Fourth Proportional to 81,444.30, 122,166.45 and 34,701.90

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Solution

The fourth proportional to 81,444.30, 122,166.45 and 34,701.90 is: 52,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,444.30 : 122,166.45 = 34,701.90 : x
  2. Step 2: Convert to fraction form
    81,444.30/122,166.45 = 34,701.90/x
  3. Step 3: Cross multiply
    81,444.30x = 122,166.45 × 34,701.90
  4. Step 4: Simplify right side
    81,444.30x = 4,239,407,931.26
  5. Step 5: Solve for x
    x = 4,239,407,931.26/81,444.30
  6. Step 6: Final answer
    x = 52,052.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.