Home / 124,127.76-171,308.91-73,156.90

Finding the Fourth Proportional to 124,127.76, 171,308.91 and 73,156.90

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Solution

The fourth proportional to 124,127.76, 171,308.91 and 73,156.90 is: 100,963.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,127.76 : 171,308.91 = 73,156.90 : x
  2. Step 2: Convert to fraction form
    124,127.76/171,308.91 = 73,156.90/x
  3. Step 3: Cross multiply
    124,127.76x = 171,308.91 × 73,156.90
  4. Step 4: Simplify right side
    124,127.76x = 12,532,428,369.71
  5. Step 5: Solve for x
    x = 12,532,428,369.71/124,127.76
  6. Step 6: Final answer
    x = 100,963.95

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1.5x scale

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.