Home / 147,789.20-221,554.20-88,648.40

Finding the Fourth Proportional to 147,789.20, 221,554.20 and 88,648.40

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Solution

The fourth proportional to 147,789.20, 221,554.20 and 88,648.40 is: 132,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,789.20 : 221,554.20 = 88,648.40 : x
  2. Step 2: Convert to fraction form
    147,789.20/221,554.20 = 88,648.40/x
  3. Step 3: Cross multiply
    147,789.20x = 221,554.20 × 88,648.40
  4. Step 4: Simplify right side
    147,789.20x = 19,640,425,343.28
  5. Step 5: Solve for x
    x = 19,640,425,343.28/147,789.20
  6. Step 6: Final answer
    x = 132,894.86

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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.