Home / 144,926.56-199,913.92-91,126.40

Finding the Fourth Proportional to 144,926.56, 199,913.92 and 91,126.40

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Solution

The fourth proportional to 144,926.56, 199,913.92 and 91,126.40 is: 125,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,926.56 : 199,913.92 = 91,126.40 : x
  2. Step 2: Convert to fraction form
    144,926.56/199,913.92 = 91,126.40/x
  3. Step 3: Cross multiply
    144,926.56x = 199,913.92 × 91,126.40
  4. Step 4: Simplify right side
    144,926.56x = 18,217,435,839.49
  5. Step 5: Solve for x
    x = 18,217,435,839.49/144,926.56
  6. Step 6: Final answer
    x = 125,701.15

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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.