Home / 86,236.27-129,373.87-26,270.12

Finding the Fourth Proportional to 86,236.27, 129,373.87 and 26,270.12

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Solution

The fourth proportional to 86,236.27, 129,373.87 and 26,270.12 is: 39,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,236.27 : 129,373.87 = 26,270.12 : x
  2. Step 2: Convert to fraction form
    86,236.27/129,373.87 = 26,270.12/x
  3. Step 3: Cross multiply
    86,236.27x = 129,373.87 × 26,270.12
  4. Step 4: Simplify right side
    86,236.27x = 3,398,666,377.22
  5. Step 5: Solve for x
    x = 3,398,666,377.22/86,236.27
  6. Step 6: Final answer
    x = 39,411.10

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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.