Home / 87,046.02-119,341.20-85,471.38

Finding the Fourth Proportional to 87,046.02, 119,341.20 and 85,471.38

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Solution

The fourth proportional to 87,046.02, 119,341.20 and 85,471.38 is: 117,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,046.02 : 119,341.20 = 85,471.38 : x
  2. Step 2: Convert to fraction form
    87,046.02/119,341.20 = 85,471.38/x
  3. Step 3: Cross multiply
    87,046.02x = 119,341.20 × 85,471.38
  4. Step 4: Simplify right side
    87,046.02x = 10,200,257,054.86
  5. Step 5: Solve for x
    x = 10,200,257,054.86/87,046.02
  6. Step 6: Final answer
    x = 117,182.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.