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Finding the Fourth Proportional to 148,044.10, 221,738.10 and 121,800.10

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Solution

The fourth proportional to 148,044.10, 221,738.10 and 121,800.10 is: 182,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,044.10 : 221,738.10 = 121,800.10 : x
  2. Step 2: Convert to fraction form
    148,044.10/221,738.10 = 121,800.10/x
  3. Step 3: Cross multiply
    148,044.10x = 221,738.10 × 121,800.10
  4. Step 4: Simplify right side
    148,044.10x = 27,007,722,753.81
  5. Step 5: Solve for x
    x = 27,007,722,753.81/148,044.10
  6. Step 6: Final answer
    x = 182,430.25

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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.