Home / 87,230.61-130,646.66-52,098.21

Finding the Fourth Proportional to 87,230.61, 130,646.66 and 52,098.21

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Solution

The fourth proportional to 87,230.61, 130,646.66 and 52,098.21 is: 78,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,230.61 : 130,646.66 = 52,098.21 : x
  2. Step 2: Convert to fraction form
    87,230.61/130,646.66 = 52,098.21/x
  3. Step 3: Cross multiply
    87,230.61x = 130,646.66 × 52,098.21
  4. Step 4: Simplify right side
    87,230.61x = 6,806,456,867.99
  5. Step 5: Solve for x
    x = 6,806,456,867.99/87,230.61
  6. Step 6: Final answer
    x = 78,028.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.