Home / 150,281.32-225,465.90-67,155.88

Finding the Fourth Proportional to 150,281.32, 225,465.90 and 67,155.88

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Solution

The fourth proportional to 150,281.32, 225,465.90 and 67,155.88 is: 100,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,281.32 : 225,465.90 = 67,155.88 : x
  2. Step 2: Convert to fraction form
    150,281.32/225,465.90 = 67,155.88/x
  3. Step 3: Cross multiply
    150,281.32x = 225,465.90 × 67,155.88
  4. Step 4: Simplify right side
    150,281.32x = 15,141,360,924.49
  5. Step 5: Solve for x
    x = 15,141,360,924.49/150,281.32
  6. Step 6: Final answer
    x = 100,753.45

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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.