Home / 123,931.17-171,024.03-67,342.95

Finding the Fourth Proportional to 123,931.17, 171,024.03 and 67,342.95

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Solution

The fourth proportional to 123,931.17, 171,024.03 and 67,342.95 is: 92,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,931.17 : 171,024.03 = 67,342.95 : x
  2. Step 2: Convert to fraction form
    123,931.17/171,024.03 = 67,342.95/x
  3. Step 3: Cross multiply
    123,931.17x = 171,024.03 × 67,342.95
  4. Step 4: Simplify right side
    123,931.17x = 11,517,262,701.09
  5. Step 5: Solve for x
    x = 11,517,262,701.09/123,931.17
  6. Step 6: Final answer
    x = 92,932.74

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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.