Home / 155,404.46-214,458.99-91,773.65

Finding the Fourth Proportional to 155,404.46, 214,458.99 and 91,773.65

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Solution

The fourth proportional to 155,404.46, 214,458.99 and 91,773.65 is: 126,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,404.46 : 214,458.99 = 91,773.65 : x
  2. Step 2: Convert to fraction form
    155,404.46/214,458.99 = 91,773.65/x
  3. Step 3: Cross multiply
    155,404.46x = 214,458.99 × 91,773.65
  4. Step 4: Simplify right side
    155,404.46x = 19,681,684,287.61
  5. Step 5: Solve for x
    x = 19,681,684,287.61/155,404.46
  6. Step 6: Final answer
    x = 126,648.13

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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.