Home / 147,614.14-203,648.88-90,927.10

Finding the Fourth Proportional to 147,614.14, 203,648.88 and 90,927.10

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Solution

The fourth proportional to 147,614.14, 203,648.88 and 90,927.10 is: 125,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,614.14 : 203,648.88 = 90,927.10 : x
  2. Step 2: Convert to fraction form
    147,614.14/203,648.88 = 90,927.10/x
  3. Step 3: Cross multiply
    147,614.14x = 203,648.88 × 90,927.10
  4. Step 4: Simplify right side
    147,614.14x = 18,517,202,076.65
  5. Step 5: Solve for x
    x = 18,517,202,076.65/147,614.14
  6. Step 6: Final answer
    x = 125,443.28

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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.