Home / 157,456.88-236,114.26-45,111.38

Finding the Fourth Proportional to 157,456.88, 236,114.26 and 45,111.38

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Solution

The fourth proportional to 157,456.88, 236,114.26 and 45,111.38 is: 67,646.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,456.88 : 236,114.26 = 45,111.38 : x
  2. Step 2: Convert to fraction form
    157,456.88/236,114.26 = 45,111.38/x
  3. Step 3: Cross multiply
    157,456.88x = 236,114.26 × 45,111.38
  4. Step 4: Simplify right side
    157,456.88x = 10,651,440,106.28
  5. Step 5: Solve for x
    x = 10,651,440,106.28/157,456.88
  6. Step 6: Final answer
    x = 67,646.71

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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.