Home / 90,863.12-125,425.32-53,149.52

Finding the Fourth Proportional to 90,863.12, 125,425.32 and 53,149.52

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Solution

The fourth proportional to 90,863.12, 125,425.32 and 53,149.52 is: 73,366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,863.12 : 125,425.32 = 53,149.52 : x
  2. Step 2: Convert to fraction form
    90,863.12/125,425.32 = 53,149.52/x
  3. Step 3: Cross multiply
    90,863.12x = 125,425.32 × 53,149.52
  4. Step 4: Simplify right side
    90,863.12x = 6,666,295,553.85
  5. Step 5: Solve for x
    x = 6,666,295,553.85/90,863.12
  6. Step 6: Final answer
    x = 73,366.35

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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.