Home / 170,143.35-254,934.20-98,865.91

Finding the Fourth Proportional to 170,143.35, 254,934.20 and 98,865.91

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Solution

The fourth proportional to 170,143.35, 254,934.20 and 98,865.91 is: 148,135.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,143.35 : 254,934.20 = 98,865.91 : x
  2. Step 2: Convert to fraction form
    170,143.35/254,934.20 = 98,865.91/x
  3. Step 3: Cross multiply
    170,143.35x = 254,934.20 × 98,865.91
  4. Step 4: Simplify right side
    170,143.35x = 25,204,300,398.45
  5. Step 5: Solve for x
    x = 25,204,300,398.45/170,143.35
  6. Step 6: Final answer
    x = 148,135.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.