Home / 145,096.20-217,627.92-39,901.50

Finding the Fourth Proportional to 145,096.20, 217,627.92 and 39,901.50

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Solution

The fourth proportional to 145,096.20, 217,627.92 and 39,901.50 is: 59,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,096.20 : 217,627.92 = 39,901.50 : x
  2. Step 2: Convert to fraction form
    145,096.20/217,627.92 = 39,901.50/x
  3. Step 3: Cross multiply
    145,096.20x = 217,627.92 × 39,901.50
  4. Step 4: Simplify right side
    145,096.20x = 8,683,680,449.88
  5. Step 5: Solve for x
    x = 8,683,680,449.88/145,096.20
  6. Step 6: Final answer
    x = 59,847.75

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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.