Home / 144,576.38-199,638.52-90,951.14

Finding the Fourth Proportional to 144,576.38, 199,638.52 and 90,951.14

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Solution

The fourth proportional to 144,576.38, 199,638.52 and 90,951.14 is: 125,590.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,576.38 : 199,638.52 = 90,951.14 : x
  2. Step 2: Convert to fraction form
    144,576.38/199,638.52 = 90,951.14/x
  3. Step 3: Cross multiply
    144,576.38x = 199,638.52 × 90,951.14
  4. Step 4: Simplify right side
    144,576.38x = 18,157,350,981.91
  5. Step 5: Solve for x
    x = 18,157,350,981.91/144,576.38
  6. Step 6: Final answer
    x = 125,590.02

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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.