Home / 102,227.10-141,073.41-56,904.12

Finding the Fourth Proportional to 102,227.10, 141,073.41 and 56,904.12

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Solution

The fourth proportional to 102,227.10, 141,073.41 and 56,904.12 is: 78,527.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,227.10 : 141,073.41 = 56,904.12 : x
  2. Step 2: Convert to fraction form
    102,227.10/141,073.41 = 56,904.12/x
  3. Step 3: Cross multiply
    102,227.10x = 141,073.41 × 56,904.12
  4. Step 4: Simplify right side
    102,227.10x = 8,027,658,251.45
  5. Step 5: Solve for x
    x = 8,027,658,251.45/102,227.10
  6. Step 6: Final answer
    x = 78,527.69

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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.