Home / 86,309.22-129,331.95-58,125.06

Finding the Fourth Proportional to 86,309.22, 129,331.95 and 58,125.06

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Solution

The fourth proportional to 86,309.22, 129,331.95 and 58,125.06 is: 87,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,309.22 : 129,331.95 = 58,125.06 : x
  2. Step 2: Convert to fraction form
    86,309.22/129,331.95 = 58,125.06/x
  3. Step 3: Cross multiply
    86,309.22x = 129,331.95 × 58,125.06
  4. Step 4: Simplify right side
    86,309.22x = 7,517,427,353.67
  5. Step 5: Solve for x
    x = 7,517,427,353.67/86,309.22
  6. Step 6: Final answer
    x = 87,098.78

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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.