Home / 141,560.36-195,348.42-77,892.20

Finding the Fourth Proportional to 141,560.36, 195,348.42 and 77,892.20

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Solution

The fourth proportional to 141,560.36, 195,348.42 and 77,892.20 is: 107,488.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,560.36 : 195,348.42 = 77,892.20 : x
  2. Step 2: Convert to fraction form
    141,560.36/195,348.42 = 77,892.20/x
  3. Step 3: Cross multiply
    141,560.36x = 195,348.42 × 77,892.20
  4. Step 4: Simplify right side
    141,560.36x = 15,216,118,200.32
  5. Step 5: Solve for x
    x = 15,216,118,200.32/141,560.36
  6. Step 6: Final answer
    x = 107,488.55

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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.