Home / 110,143.97-151,987.25-64,819.25

Finding the Fourth Proportional to 110,143.97, 151,987.25 and 64,819.25

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Solution

The fourth proportional to 110,143.97, 151,987.25 and 64,819.25 is: 89,443.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,143.97 : 151,987.25 = 64,819.25 : x
  2. Step 2: Convert to fraction form
    110,143.97/151,987.25 = 64,819.25/x
  3. Step 3: Cross multiply
    110,143.97x = 151,987.25 × 64,819.25
  4. Step 4: Simplify right side
    110,143.97x = 9,851,698,470.53
  5. Step 5: Solve for x
    x = 9,851,698,470.53/110,143.97
  6. Step 6: Final answer
    x = 89,443.83

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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.