Home / 134,287.20-201,586.40-72,079.20

Finding the Fourth Proportional to 134,287.20, 201,586.40 and 72,079.20

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Solution

The fourth proportional to 134,287.20, 201,586.40 and 72,079.20 is: 108,202.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,287.20 : 201,586.40 = 72,079.20 : x
  2. Step 2: Convert to fraction form
    134,287.20/201,586.40 = 72,079.20/x
  3. Step 3: Cross multiply
    134,287.20x = 201,586.40 × 72,079.20
  4. Step 4: Simplify right side
    134,287.20x = 14,530,186,442.88
  5. Step 5: Solve for x
    x = 14,530,186,442.88/134,287.20
  6. Step 6: Final answer
    x = 108,202.32

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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.