Home / 90,126.92-124,366.26-52,403.72

Finding the Fourth Proportional to 90,126.92, 124,366.26 and 52,403.72

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Solution

The fourth proportional to 90,126.92, 124,366.26 and 52,403.72 is: 72,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,126.92 : 124,366.26 = 52,403.72 : x
  2. Step 2: Convert to fraction form
    90,126.92/124,366.26 = 52,403.72/x
  3. Step 3: Cross multiply
    90,126.92x = 124,366.26 × 52,403.72
  4. Step 4: Simplify right side
    90,126.92x = 6,517,254,666.49
  5. Step 5: Solve for x
    x = 6,517,254,666.49/90,126.92
  6. Step 6: Final answer
    x = 72,311.96

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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.