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Finding the Fourth Proportional to 148,005.40, 222,008.10 and 84,801.10

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Solution

The fourth proportional to 148,005.40, 222,008.10 and 84,801.10 is: 127,201.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,005.40 : 222,008.10 = 84,801.10 : x
  2. Step 2: Convert to fraction form
    148,005.40/222,008.10 = 84,801.10/x
  3. Step 3: Cross multiply
    148,005.40x = 222,008.10 × 84,801.10
  4. Step 4: Simplify right side
    148,005.40x = 18,826,531,088.91
  5. Step 5: Solve for x
    x = 18,826,531,088.91/148,005.40
  6. Step 6: Final answer
    x = 127,201.65

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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.