Home / 87,329.04-130,993.54-28,164.70

Finding the Fourth Proportional to 87,329.04, 130,993.54 and 28,164.70

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Solution

The fourth proportional to 87,329.04, 130,993.54 and 28,164.70 is: 42,247.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,329.04 : 130,993.54 = 28,164.70 : x
  2. Step 2: Convert to fraction form
    87,329.04/130,993.54 = 28,164.70/x
  3. Step 3: Cross multiply
    87,329.04x = 130,993.54 × 28,164.70
  4. Step 4: Simplify right side
    87,329.04x = 3,689,393,112.53
  5. Step 5: Solve for x
    x = 3,689,393,112.53/87,329.04
  6. Step 6: Final answer
    x = 42,247.04

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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.