Home / 90,192.42-124,447.85-49,898.66

Finding the Fourth Proportional to 90,192.42, 124,447.85 and 49,898.66

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Solution

The fourth proportional to 90,192.42, 124,447.85 and 49,898.66 is: 68,850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,192.42 : 124,447.85 = 49,898.66 : x
  2. Step 2: Convert to fraction form
    90,192.42/124,447.85 = 49,898.66/x
  3. Step 3: Cross multiply
    90,192.42x = 124,447.85 × 49,898.66
  4. Step 4: Simplify right side
    90,192.42x = 6,209,780,083.15
  5. Step 5: Solve for x
    x = 6,209,780,083.15/90,192.42
  6. Step 6: Final answer
    x = 68,850.35

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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.