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Finding the Fourth Proportional to 104,874.57, 144,726.17 and 57,127.77

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Solution

The fourth proportional to 104,874.57, 144,726.17 and 57,127.77 is: 78,835.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,874.57 : 144,726.17 = 57,127.77 : x
  2. Step 2: Convert to fraction form
    104,874.57/144,726.17 = 57,127.77/x
  3. Step 3: Cross multiply
    104,874.57x = 144,726.17 × 57,127.77
  4. Step 4: Simplify right side
    104,874.57x = 8,267,883,067.10
  5. Step 5: Solve for x
    x = 8,267,883,067.10/104,874.57
  6. Step 6: Final answer
    x = 78,835.92

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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.