Home / 141,454.72-195,159.70-80,194.36

Finding the Fourth Proportional to 141,454.72, 195,159.70 and 80,194.36

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Solution

The fourth proportional to 141,454.72, 195,159.70 and 80,194.36 is: 110,641.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,454.72 : 195,159.70 = 80,194.36 : x
  2. Step 2: Convert to fraction form
    141,454.72/195,159.70 = 80,194.36/x
  3. Step 3: Cross multiply
    141,454.72x = 195,159.70 × 80,194.36
  4. Step 4: Simplify right side
    141,454.72x = 15,650,707,239.29
  5. Step 5: Solve for x
    x = 15,650,707,239.29/141,454.72
  6. Step 6: Final answer
    x = 110,641.11

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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.