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Finding the Fourth Proportional to 148,001.70, 221,820.30 and 100,616.70

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Solution

The fourth proportional to 148,001.70, 221,820.30 and 100,616.70 is: 150,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,001.70 : 221,820.30 = 100,616.70 : x
  2. Step 2: Convert to fraction form
    148,001.70/221,820.30 = 100,616.70/x
  3. Step 3: Cross multiply
    148,001.70x = 221,820.30 × 100,616.70
  4. Step 4: Simplify right side
    148,001.70x = 22,318,826,579.01
  5. Step 5: Solve for x
    x = 22,318,826,579.01/148,001.70
  6. Step 6: Final answer
    x = 150,801.15

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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.