Home / 86,937.20-130,308.60-37,008.80

Finding the Fourth Proportional to 86,937.20, 130,308.60 and 37,008.80

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Solution

The fourth proportional to 86,937.20, 130,308.60 and 37,008.80 is: 55,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,937.20 : 130,308.60 = 37,008.80 : x
  2. Step 2: Convert to fraction form
    86,937.20/130,308.60 = 37,008.80/x
  3. Step 3: Cross multiply
    86,937.20x = 130,308.60 × 37,008.80
  4. Step 4: Simplify right side
    86,937.20x = 4,822,564,915.68
  5. Step 5: Solve for x
    x = 4,822,564,915.68/86,937.20
  6. Step 6: Final answer
    x = 55,471.82

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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.