Home / 85,295.41-127,948.17-26,131.66

Finding the Fourth Proportional to 85,295.41, 127,948.17 and 26,131.66

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Solution

The fourth proportional to 85,295.41, 127,948.17 and 26,131.66 is: 39,199.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,295.41 : 127,948.17 = 26,131.66 : x
  2. Step 2: Convert to fraction form
    85,295.41/127,948.17 = 26,131.66/x
  3. Step 3: Cross multiply
    85,295.41x = 127,948.17 × 26,131.66
  4. Step 4: Simplify right side
    85,295.41x = 3,343,497,436.32
  5. Step 5: Solve for x
    x = 3,343,497,436.32/85,295.41
  6. Step 6: Final answer
    x = 39,199.03

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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.