Home / 123,415.17-185,122.13-29,920.92

Finding the Fourth Proportional to 123,415.17, 185,122.13 and 29,920.92

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Solution

The fourth proportional to 123,415.17, 185,122.13 and 29,920.92 is: 44,881.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,415.17 : 185,122.13 = 29,920.92 : x
  2. Step 2: Convert to fraction form
    123,415.17/185,122.13 = 29,920.92/x
  3. Step 3: Cross multiply
    123,415.17x = 185,122.13 × 29,920.92
  4. Step 4: Simplify right side
    123,415.17x = 5,539,024,292.36
  5. Step 5: Solve for x
    x = 5,539,024,292.36/123,415.17
  6. Step 6: Final answer
    x = 44,881.23

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1.5x scale

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.