Home / 147,587.25-203,686.09-90,260.11

Finding the Fourth Proportional to 147,587.25, 203,686.09 and 90,260.11

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Solution

The fourth proportional to 147,587.25, 203,686.09 and 90,260.11 is: 124,568.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,587.25 : 203,686.09 = 90,260.11 : x
  2. Step 2: Convert to fraction form
    147,587.25/203,686.09 = 90,260.11/x
  3. Step 3: Cross multiply
    147,587.25x = 203,686.09 × 90,260.11
  4. Step 4: Simplify right side
    147,587.25x = 18,384,728,888.87
  5. Step 5: Solve for x
    x = 18,384,728,888.87/147,587.25
  6. Step 6: Final answer
    x = 124,568.54

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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.