Home / 157,517.32-236,243.76-45,167.44

Finding the Fourth Proportional to 157,517.32, 236,243.76 and 45,167.44

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Solution

The fourth proportional to 157,517.32, 236,243.76 and 45,167.44 is: 67,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,517.32 : 236,243.76 = 45,167.44 : x
  2. Step 2: Convert to fraction form
    157,517.32/236,243.76 = 45,167.44/x
  3. Step 3: Cross multiply
    157,517.32x = 236,243.76 × 45,167.44
  4. Step 4: Simplify right side
    157,517.32x = 10,670,525,855.17
  5. Step 5: Solve for x
    x = 10,670,525,855.17/157,517.32
  6. Step 6: Final answer
    x = 67,741.92

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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.