Home / 137,440.17-189,695.16-93,948.95

Finding the Fourth Proportional to 137,440.17, 189,695.16 and 93,948.95

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Solution

The fourth proportional to 137,440.17, 189,695.16 and 93,948.95 is: 129,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,440.17 : 189,695.16 = 93,948.95 : x
  2. Step 2: Convert to fraction form
    137,440.17/189,695.16 = 93,948.95/x
  3. Step 3: Cross multiply
    137,440.17x = 189,695.16 × 93,948.95
  4. Step 4: Simplify right side
    137,440.17x = 17,821,660,153.61
  5. Step 5: Solve for x
    x = 17,821,660,153.61/137,440.17
  6. Step 6: Final answer
    x = 129,668.50

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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.