Home / 169,531.25-254,345.00-138,237.30

Finding the Fourth Proportional to 169,531.25, 254,345.00 and 138,237.30

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Solution

The fourth proportional to 169,531.25, 254,345.00 and 138,237.30 is: 207,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,531.25 : 254,345.00 = 138,237.30 : x
  2. Step 2: Convert to fraction form
    169,531.25/254,345.00 = 138,237.30/x
  3. Step 3: Cross multiply
    169,531.25x = 254,345.00 × 138,237.30
  4. Step 4: Simplify right side
    169,531.25x = 35,159,965,377.31
  5. Step 5: Solve for x
    x = 35,159,965,377.31/169,531.25
  6. Step 6: Final answer
    x = 207,395.19

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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.