Home / 157,394.75-236,005.55-107,531.15

Finding the Fourth Proportional to 157,394.75, 236,005.55 and 107,531.15

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Solution

The fourth proportional to 157,394.75, 236,005.55 and 107,531.15 is: 161,237.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,394.75 : 236,005.55 = 107,531.15 : x
  2. Step 2: Convert to fraction form
    157,394.75/236,005.55 = 107,531.15/x
  3. Step 3: Cross multiply
    157,394.75x = 236,005.55 × 107,531.15
  4. Step 4: Simplify right side
    157,394.75x = 25,377,948,197.88
  5. Step 5: Solve for x
    x = 25,377,948,197.88/157,394.75
  6. Step 6: Final answer
    x = 161,237.58

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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.