Home / 159,829.20-239,657.40-66,344.40

Finding the Fourth Proportional to 159,829.20, 239,657.40 and 66,344.40

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Solution

The fourth proportional to 159,829.20, 239,657.40 and 66,344.40 is: 99,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,829.20 : 239,657.40 = 66,344.40 : x
  2. Step 2: Convert to fraction form
    159,829.20/239,657.40 = 66,344.40/x
  3. Step 3: Cross multiply
    159,829.20x = 239,657.40 × 66,344.40
  4. Step 4: Simplify right side
    159,829.20x = 15,899,926,408.56
  5. Step 5: Solve for x
    x = 15,899,926,408.56/159,829.20
  6. Step 6: Final answer
    x = 99,480.74

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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.