Home / 141,477.88-195,241.02-77,816.20

Finding the Fourth Proportional to 141,477.88, 195,241.02 and 77,816.20

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Solution

The fourth proportional to 141,477.88, 195,241.02 and 77,816.20 is: 107,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,477.88 : 195,241.02 = 77,816.20 : x
  2. Step 2: Convert to fraction form
    141,477.88/195,241.02 = 77,816.20/x
  3. Step 3: Cross multiply
    141,477.88x = 195,241.02 × 77,816.20
  4. Step 4: Simplify right side
    141,477.88x = 15,192,914,260.52
  5. Step 5: Solve for x
    x = 15,192,914,260.52/141,477.88
  6. Step 6: Final answer
    x = 107,387.21

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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.