Home / 212,759.10-293,614.11-122,131.62

Finding the Fourth Proportional to 212,759.10, 293,614.11 and 122,131.62

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Solution

The fourth proportional to 212,759.10, 293,614.11 and 122,131.62 is: 168,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,759.10 : 293,614.11 = 122,131.62 : x
  2. Step 2: Convert to fraction form
    212,759.10/293,614.11 = 122,131.62/x
  3. Step 3: Cross multiply
    212,759.10x = 293,614.11 × 122,131.62
  4. Step 4: Simplify right side
    212,759.10x = 35,859,566,909.16
  5. Step 5: Solve for x
    x = 35,859,566,909.16/212,759.10
  6. Step 6: Final answer
    x = 168,545.40

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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.