Home / 145,470.52-200,515.26-108,617.14

Finding the Fourth Proportional to 145,470.52, 200,515.26 and 108,617.14

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Solution

The fourth proportional to 145,470.52, 200,515.26 and 108,617.14 is: 149,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,470.52 : 200,515.26 = 108,617.14 : x
  2. Step 2: Convert to fraction form
    145,470.52/200,515.26 = 108,617.14/x
  3. Step 3: Cross multiply
    145,470.52x = 200,515.26 × 108,617.14
  4. Step 4: Simplify right side
    145,470.52x = 21,779,394,067.56
  5. Step 5: Solve for x
    x = 21,779,394,067.56/145,470.52
  6. Step 6: Final answer
    x = 149,716.89

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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.