Home / 170,228.45-254,862.61-90,084.89

Finding the Fourth Proportional to 170,228.45, 254,862.61 and 90,084.89

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Solution

The fourth proportional to 170,228.45, 254,862.61 and 90,084.89 is: 134,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,228.45 : 254,862.61 = 90,084.89 : x
  2. Step 2: Convert to fraction form
    170,228.45/254,862.61 = 90,084.89/x
  3. Step 3: Cross multiply
    170,228.45x = 254,862.61 × 90,084.89
  4. Step 4: Simplify right side
    170,228.45x = 22,959,268,687.44
  5. Step 5: Solve for x
    x = 22,959,268,687.44/170,228.45
  6. Step 6: Final answer
    x = 134,873.28

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1.5x scale

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.