Home / 170,143.28-254,934.10-98,865.84

Finding the Fourth Proportional to 170,143.28, 254,934.10 and 98,865.84

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Solution

The fourth proportional to 170,143.28, 254,934.10 and 98,865.84 is: 148,135.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,143.28 : 254,934.10 = 98,865.84 : x
  2. Step 2: Convert to fraction form
    170,143.28/254,934.10 = 98,865.84/x
  3. Step 3: Cross multiply
    170,143.28x = 254,934.10 × 98,865.84
  4. Step 4: Simplify right side
    170,143.28x = 25,204,273,941.14
  5. Step 5: Solve for x
    x = 25,204,273,941.14/170,143.28
  6. Step 6: Final answer
    x = 148,135.58

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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.