Home / 86,310.22-129,333.45-58,126.06

Finding the Fourth Proportional to 86,310.22, 129,333.45 and 58,126.06

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Solution

The fourth proportional to 86,310.22, 129,333.45 and 58,126.06 is: 87,100.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,310.22 : 129,333.45 = 58,126.06 : x
  2. Step 2: Convert to fraction form
    86,310.22/129,333.45 = 58,126.06/x
  3. Step 3: Cross multiply
    86,310.22x = 129,333.45 × 58,126.06
  4. Step 4: Simplify right side
    86,310.22x = 7,517,643,874.71
  5. Step 5: Solve for x
    x = 7,517,643,874.71/86,310.22
  6. Step 6: Final answer
    x = 87,100.27

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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.