Home / 147,954-221,986.90-88,830.92

Finding the Fourth Proportional to 147,954, 221,986.90 and 88,830.92

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Solution

The fourth proportional to 147,954, 221,986.90 and 88,830.92 is: 133,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,954 : 221,986.90 = 88,830.92 : x
  2. Step 2: Convert to fraction form
    147,954/221,986.90 = 88,830.92/x
  3. Step 3: Cross multiply
    147,954x = 221,986.90 × 88,830.92
  4. Step 4: Simplify right side
    147,954x = 19,719,300,554.95
  5. Step 5: Solve for x
    x = 19,719,300,554.95/147,954
  6. Step 6: Final answer
    x = 133,279.94

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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.