Home / 152,756.12-229,028.88-67,325.52

Finding the Fourth Proportional to 152,756.12, 229,028.88 and 67,325.52

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Solution

The fourth proportional to 152,756.12, 229,028.88 and 67,325.52 is: 100,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,756.12 : 229,028.88 = 67,325.52 : x
  2. Step 2: Convert to fraction form
    152,756.12/229,028.88 = 67,325.52/x
  3. Step 3: Cross multiply
    152,756.12x = 229,028.88 × 67,325.52
  4. Step 4: Simplify right side
    152,756.12x = 15,419,488,441.02
  5. Step 5: Solve for x
    x = 15,419,488,441.02/152,756.12
  6. Step 6: Final answer
    x = 100,941.87

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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.