Home / 100,432.32-150,475.68-70,797.12

Finding the Fourth Proportional to 100,432.32, 150,475.68 and 70,797.12

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Solution

The fourth proportional to 100,432.32, 150,475.68 and 70,797.12 is: 106,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,432.32 : 150,475.68 = 70,797.12 : x
  2. Step 2: Convert to fraction form
    100,432.32/150,475.68 = 70,797.12/x
  3. Step 3: Cross multiply
    100,432.32x = 150,475.68 × 70,797.12
  4. Step 4: Simplify right side
    100,432.32x = 10,653,244,774.04
  5. Step 5: Solve for x
    x = 10,653,244,774.04/100,432.32
  6. Step 6: Final answer
    x = 106,073.87

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1.5x scale

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.