Home / 90,541.62-124,941.51-50,253.42

Finding the Fourth Proportional to 90,541.62, 124,941.51 and 50,253.42

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Solution

The fourth proportional to 90,541.62, 124,941.51 and 50,253.42 is: 69,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,541.62 : 124,941.51 = 50,253.42 : x
  2. Step 2: Convert to fraction form
    90,541.62/124,941.51 = 50,253.42/x
  3. Step 3: Cross multiply
    90,541.62x = 124,941.51 × 50,253.42
  4. Step 4: Simplify right side
    90,541.62x = 6,278,738,177.46
  5. Step 5: Solve for x
    x = 6,278,738,177.46/90,541.62
  6. Step 6: Final answer
    x = 69,346.43

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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.