Home / 103,360.14-142,832.79-88,044.54

Finding the Fourth Proportional to 103,360.14, 142,832.79 and 88,044.54

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Solution

The fourth proportional to 103,360.14, 142,832.79 and 88,044.54 is: 121,668.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,360.14 : 142,832.79 = 88,044.54 : x
  2. Step 2: Convert to fraction form
    103,360.14/142,832.79 = 88,044.54/x
  3. Step 3: Cross multiply
    103,360.14x = 142,832.79 × 88,044.54
  4. Step 4: Simplify right side
    103,360.14x = 12,575,647,292.47
  5. Step 5: Solve for x
    x = 12,575,647,292.47/103,360.14
  6. Step 6: Final answer
    x = 121,668.25

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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.