Home / 87,045.77-119,340.86-85,471.13

Finding the Fourth Proportional to 87,045.77, 119,340.86 and 85,471.13

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Solution

The fourth proportional to 87,045.77, 119,340.86 and 85,471.13 is: 117,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,045.77 : 119,340.86 = 85,471.13 : x
  2. Step 2: Convert to fraction form
    87,045.77/119,340.86 = 85,471.13/x
  3. Step 3: Cross multiply
    87,045.77x = 119,340.86 × 85,471.13
  4. Step 4: Simplify right side
    87,045.77x = 10,200,198,159.37
  5. Step 5: Solve for x
    x = 10,200,198,159.37/87,045.77
  6. Step 6: Final answer
    x = 117,182.01

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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.