Home / 86,162.58-129,263.31-26,998.02

Finding the Fourth Proportional to 86,162.58, 129,263.31 and 26,998.02

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Solution

The fourth proportional to 86,162.58, 129,263.31 and 26,998.02 is: 40,503.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,162.58 : 129,263.31 = 26,998.02 : x
  2. Step 2: Convert to fraction form
    86,162.58/129,263.31 = 26,998.02/x
  3. Step 3: Cross multiply
    86,162.58x = 129,263.31 × 26,998.02
  4. Step 4: Simplify right side
    86,162.58x = 3,489,853,428.65
  5. Step 5: Solve for x
    x = 3,489,853,428.65/86,162.58
  6. Step 6: Final answer
    x = 40,503.12

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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.