Home / 144,414.68-199,342.44-99,242.20

Finding the Fourth Proportional to 144,414.68, 199,342.44 and 99,242.20

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Solution

The fourth proportional to 144,414.68, 199,342.44 and 99,242.20 is: 136,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,414.68 : 199,342.44 = 99,242.20 : x
  2. Step 2: Convert to fraction form
    144,414.68/199,342.44 = 99,242.20/x
  3. Step 3: Cross multiply
    144,414.68x = 199,342.44 × 99,242.20
  4. Step 4: Simplify right side
    144,414.68x = 19,783,182,298.97
  5. Step 5: Solve for x
    x = 19,783,182,298.97/144,414.68
  6. Step 6: Final answer
    x = 136,988.72

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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.