Home / 147,587.90-221,096.48-123,610.78

Finding the Fourth Proportional to 147,587.90, 221,096.48 and 123,610.78

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Solution

The fourth proportional to 147,587.90, 221,096.48 and 123,610.78 is: 185,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,587.90 : 221,096.48 = 123,610.78 : x
  2. Step 2: Convert to fraction form
    147,587.90/221,096.48 = 123,610.78/x
  3. Step 3: Cross multiply
    147,587.90x = 221,096.48 × 123,610.78
  4. Step 4: Simplify right side
    147,587.90x = 27,329,907,177.26
  5. Step 5: Solve for x
    x = 27,329,907,177.26/147,587.90
  6. Step 6: Final answer
    x = 185,177.15

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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.