Home / 88,149.90-121,616.46-56,337.42

Finding the Fourth Proportional to 88,149.90, 121,616.46 and 56,337.42

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Solution

The fourth proportional to 88,149.90, 121,616.46 and 56,337.42 is: 77,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,149.90 : 121,616.46 = 56,337.42 : x
  2. Step 2: Convert to fraction form
    88,149.90/121,616.46 = 56,337.42/x
  3. Step 3: Cross multiply
    88,149.90x = 121,616.46 × 56,337.42
  4. Step 4: Simplify right side
    88,149.90x = 6,851,557,585.93
  5. Step 5: Solve for x
    x = 6,851,557,585.93/88,149.90
  6. Step 6: Final answer
    x = 77,726.21

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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.