Home / 137,124.27-205,665.53-52,872.12

Finding the Fourth Proportional to 137,124.27, 205,665.53 and 52,872.12

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Solution

The fourth proportional to 137,124.27, 205,665.53 and 52,872.12 is: 79,300.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,124.27 : 205,665.53 = 52,872.12 : x
  2. Step 2: Convert to fraction form
    137,124.27/205,665.53 = 52,872.12/x
  3. Step 3: Cross multiply
    137,124.27x = 205,665.53 × 52,872.12
  4. Step 4: Simplify right side
    137,124.27x = 10,873,972,317.66
  5. Step 5: Solve for x
    x = 10,873,972,317.66/137,124.27
  6. Step 6: Final answer
    x = 79,300.13

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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.