Home / 157,253.33-217,012.19-89,272.31

Finding the Fourth Proportional to 157,253.33, 217,012.19 and 89,272.31

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Solution

The fourth proportional to 157,253.33, 217,012.19 and 89,272.31 is: 123,197.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,253.33 : 217,012.19 = 89,272.31 : x
  2. Step 2: Convert to fraction form
    157,253.33/217,012.19 = 89,272.31/x
  3. Step 3: Cross multiply
    157,253.33x = 217,012.19 × 89,272.31
  4. Step 4: Simplify right side
    157,253.33x = 19,373,179,595.63
  5. Step 5: Solve for x
    x = 19,373,179,595.63/157,253.33
  6. Step 6: Final answer
    x = 123,197.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.