Home / 134,742.20-202,113.30-72,534.20

Finding the Fourth Proportional to 134,742.20, 202,113.30 and 72,534.20

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Solution

The fourth proportional to 134,742.20, 202,113.30 and 72,534.20 is: 108,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,742.20 : 202,113.30 = 72,534.20 : x
  2. Step 2: Convert to fraction form
    134,742.20/202,113.30 = 72,534.20/x
  3. Step 3: Cross multiply
    134,742.20x = 202,113.30 × 72,534.20
  4. Step 4: Simplify right side
    134,742.20x = 14,660,126,524.86
  5. Step 5: Solve for x
    x = 14,660,126,524.86/134,742.20
  6. Step 6: Final answer
    x = 108,801.30

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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.