Home / 141,750.90-195,627.27-78,100.14

Finding the Fourth Proportional to 141,750.90, 195,627.27 and 78,100.14

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Solution

The fourth proportional to 141,750.90, 195,627.27 and 78,100.14 is: 107,784.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,750.90 : 195,627.27 = 78,100.14 : x
  2. Step 2: Convert to fraction form
    141,750.90/195,627.27 = 78,100.14/x
  3. Step 3: Cross multiply
    141,750.90x = 195,627.27 × 78,100.14
  4. Step 4: Simplify right side
    141,750.90x = 15,278,517,174.82
  5. Step 5: Solve for x
    x = 15,278,517,174.82/141,750.90
  6. Step 6: Final answer
    x = 107,784.27

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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.