Home / 141,725.28-195,560.55-81,298.47

Finding the Fourth Proportional to 141,725.28, 195,560.55 and 81,298.47

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Solution

The fourth proportional to 141,725.28, 195,560.55 and 81,298.47 is: 112,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,725.28 : 195,560.55 = 81,298.47 : x
  2. Step 2: Convert to fraction form
    141,725.28/195,560.55 = 81,298.47/x
  3. Step 3: Cross multiply
    141,725.28x = 195,560.55 × 81,298.47
  4. Step 4: Simplify right side
    141,725.28x = 15,898,773,507.36
  5. Step 5: Solve for x
    x = 15,898,773,507.36/141,725.28
  6. Step 6: Final answer
    x = 112,180.22

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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.