Home / 144,260.14-199,134.55-129,126.10

Finding the Fourth Proportional to 144,260.14, 199,134.55 and 129,126.10

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Solution

The fourth proportional to 144,260.14, 199,134.55 and 129,126.10 is: 178,243.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,260.14 : 199,134.55 = 129,126.10 : x
  2. Step 2: Convert to fraction form
    144,260.14/199,134.55 = 129,126.10/x
  3. Step 3: Cross multiply
    144,260.14x = 199,134.55 × 129,126.10
  4. Step 4: Simplify right side
    144,260.14x = 25,713,467,853.70
  5. Step 5: Solve for x
    x = 25,713,467,853.70/144,260.14
  6. Step 6: Final answer
    x = 178,243.75

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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.