Home / 179,065.40-247,131.28-102,609.26

Finding the Fourth Proportional to 179,065.40, 247,131.28 and 102,609.26

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Solution

The fourth proportional to 179,065.40, 247,131.28 and 102,609.26 is: 141,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,065.40 : 247,131.28 = 102,609.26 : x
  2. Step 2: Convert to fraction form
    179,065.40/247,131.28 = 102,609.26/x
  3. Step 3: Cross multiply
    179,065.40x = 247,131.28 × 102,609.26
  4. Step 4: Simplify right side
    179,065.40x = 25,357,957,763.65
  5. Step 5: Solve for x
    x = 25,357,957,763.65/179,065.40
  6. Step 6: Final answer
    x = 141,612.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.