Home / 156,012.39-234,065.61-66,008.84

Finding the Fourth Proportional to 156,012.39, 234,065.61 and 66,008.84

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Solution

The fourth proportional to 156,012.39, 234,065.61 and 66,008.84 is: 99,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,012.39 : 234,065.61 = 66,008.84 : x
  2. Step 2: Convert to fraction form
    156,012.39/234,065.61 = 66,008.84/x
  3. Step 3: Cross multiply
    156,012.39x = 234,065.61 × 66,008.84
  4. Step 4: Simplify right side
    156,012.39x = 15,450,398,229.66
  5. Step 5: Solve for x
    x = 15,450,398,229.66/156,012.39
  6. Step 6: Final answer
    x = 99,033.15

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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.