Home / 125,732.83-173,506.02-71,288.66

Finding the Fourth Proportional to 125,732.83, 173,506.02 and 71,288.66

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Solution

The fourth proportional to 125,732.83, 173,506.02 and 71,288.66 is: 98,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,732.83 : 173,506.02 = 71,288.66 : x
  2. Step 2: Convert to fraction form
    125,732.83/173,506.02 = 71,288.66/x
  3. Step 3: Cross multiply
    125,732.83x = 173,506.02 × 71,288.66
  4. Step 4: Simplify right side
    125,732.83x = 12,369,011,667.73
  5. Step 5: Solve for x
    x = 12,369,011,667.73/125,732.83
  6. Step 6: Final answer
    x = 98,375.35

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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.