Home / 137,015.13-205,398.15-52,721.52

Finding the Fourth Proportional to 137,015.13, 205,398.15 and 52,721.52

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Solution

The fourth proportional to 137,015.13, 205,398.15 and 52,721.52 is: 79,034.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,015.13 : 205,398.15 = 52,721.52 : x
  2. Step 2: Convert to fraction form
    137,015.13/205,398.15 = 52,721.52/x
  3. Step 3: Cross multiply
    137,015.13x = 205,398.15 × 52,721.52
  4. Step 4: Simplify right side
    137,015.13x = 10,828,902,673.19
  5. Step 5: Solve for x
    x = 10,828,902,673.19/137,015.13
  6. Step 6: Final answer
    x = 79,034.36

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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.