Home / 150,373.38-225,534.87-70,419.72

Finding the Fourth Proportional to 150,373.38, 225,534.87 and 70,419.72

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Solution

The fourth proportional to 150,373.38, 225,534.87 and 70,419.72 is: 105,617.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,373.38 : 225,534.87 = 70,419.72 : x
  2. Step 2: Convert to fraction form
    150,373.38/225,534.87 = 70,419.72/x
  3. Step 3: Cross multiply
    150,373.38x = 225,534.87 × 70,419.72
  4. Step 4: Simplify right side
    150,373.38x = 15,882,102,395.64
  5. Step 5: Solve for x
    x = 15,882,102,395.64/150,373.38
  6. Step 6: Final answer
    x = 105,617.78

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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.