Home / 87,180.77-130,770.25-28,016.50

Finding the Fourth Proportional to 87,180.77, 130,770.25 and 28,016.50

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Solution

The fourth proportional to 87,180.77, 130,770.25 and 28,016.50 is: 42,024.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,180.77 : 130,770.25 = 28,016.50 : x
  2. Step 2: Convert to fraction form
    87,180.77/130,770.25 = 28,016.50/x
  3. Step 3: Cross multiply
    87,180.77x = 130,770.25 × 28,016.50
  4. Step 4: Simplify right side
    87,180.77x = 3,663,724,557.35
  5. Step 5: Solve for x
    x = 3,663,724,557.35/87,180.77
  6. Step 6: Final answer
    x = 42,024.46

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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.