Home / 115,149.42-172,730.31-36,269.82

Finding the Fourth Proportional to 115,149.42, 172,730.31 and 36,269.82

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Solution

The fourth proportional to 115,149.42, 172,730.31 and 36,269.82 is: 54,406.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,149.42 : 172,730.31 = 36,269.82 : x
  2. Step 2: Convert to fraction form
    115,149.42/172,730.31 = 36,269.82/x
  3. Step 3: Cross multiply
    115,149.42x = 172,730.31 × 36,269.82
  4. Step 4: Simplify right side
    115,149.42x = 6,264,897,252.24
  5. Step 5: Solve for x
    x = 6,264,897,252.24/115,149.42
  6. Step 6: Final answer
    x = 54,406.68

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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.