Home / 83,134.15-124,750.90-30,548.95

Finding the Fourth Proportional to 83,134.15, 124,750.90 and 30,548.95

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Solution

The fourth proportional to 83,134.15, 124,750.90 and 30,548.95 is: 45,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,134.15 : 124,750.90 = 30,548.95 : x
  2. Step 2: Convert to fraction form
    83,134.15/124,750.90 = 30,548.95/x
  3. Step 3: Cross multiply
    83,134.15x = 124,750.90 × 30,548.95
  4. Step 4: Simplify right side
    83,134.15x = 3,811,009,006.56
  5. Step 5: Solve for x
    x = 3,811,009,006.56/83,134.15
  6. Step 6: Final answer
    x = 45,841.68

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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.