Home / 217,116.96-299,535.20-135,397.14

Finding the Fourth Proportional to 217,116.96, 299,535.20 and 135,397.14

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Solution

The fourth proportional to 217,116.96, 299,535.20 and 135,397.14 is: 186,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,116.96 : 299,535.20 = 135,397.14 : x
  2. Step 2: Convert to fraction form
    217,116.96/299,535.20 = 135,397.14/x
  3. Step 3: Cross multiply
    217,116.96x = 299,535.20 × 135,397.14
  4. Step 4: Simplify right side
    217,116.96x = 40,556,207,234.67
  5. Step 5: Solve for x
    x = 40,556,207,234.67/217,116.96
  6. Step 6: Final answer
    x = 186,794.29

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1.5x scale

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.