Home / 325,126.03-487,639.77-88,487.15

Finding the Fourth Proportional to 325,126.03, 487,639.77 and 88,487.15

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Solution

The fourth proportional to 325,126.03, 487,639.77 and 88,487.15 is: 132,717.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,126.03 : 487,639.77 = 88,487.15 : x
  2. Step 2: Convert to fraction form
    325,126.03/487,639.77 = 88,487.15/x
  3. Step 3: Cross multiply
    325,126.03x = 487,639.77 × 88,487.15
  4. Step 4: Simplify right side
    325,126.03x = 43,149,853,473.96
  5. Step 5: Solve for x
    x = 43,149,853,473.96/325,126.03
  6. Step 6: Final answer
    x = 132,717.31

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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.