Home / 134,815.78-202,158.24-71,666.20

Finding the Fourth Proportional to 134,815.78, 202,158.24 and 71,666.20

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Solution

The fourth proportional to 134,815.78, 202,158.24 and 71,666.20 is: 107,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,815.78 : 202,158.24 = 71,666.20 : x
  2. Step 2: Convert to fraction form
    134,815.78/202,158.24 = 71,666.20/x
  3. Step 3: Cross multiply
    134,815.78x = 202,158.24 × 71,666.20
  4. Step 4: Simplify right side
    134,815.78x = 14,487,912,859.49
  5. Step 5: Solve for x
    x = 14,487,912,859.49/134,815.78
  6. Step 6: Final answer
    x = 107,464.52

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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.