Home / 103,191.13-142,405.32-60,169.45

Finding the Fourth Proportional to 103,191.13, 142,405.32 and 60,169.45

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Solution

The fourth proportional to 103,191.13, 142,405.32 and 60,169.45 is: 83,034.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,191.13 : 142,405.32 = 60,169.45 : x
  2. Step 2: Convert to fraction form
    103,191.13/142,405.32 = 60,169.45/x
  3. Step 3: Cross multiply
    103,191.13x = 142,405.32 × 60,169.45
  4. Step 4: Simplify right side
    103,191.13x = 8,568,449,781.47
  5. Step 5: Solve for x
    x = 8,568,449,781.47/103,191.13
  6. Step 6: Final answer
    x = 83,034.75

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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.