Home / 171,979.20-237,344.04-103,998.78

Finding the Fourth Proportional to 171,979.20, 237,344.04 and 103,998.78

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Solution

The fourth proportional to 171,979.20, 237,344.04 and 103,998.78 is: 143,526.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,979.20 : 237,344.04 = 103,998.78 : x
  2. Step 2: Convert to fraction form
    171,979.20/237,344.04 = 103,998.78/x
  3. Step 3: Cross multiply
    171,979.20x = 237,344.04 × 103,998.78
  4. Step 4: Simplify right side
    171,979.20x = 24,683,490,600.27
  5. Step 5: Solve for x
    x = 24,683,490,600.27/171,979.20
  6. Step 6: Final answer
    x = 143,526.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.