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Finding the Fourth Proportional to 148,549.01, 222,820.90 and 136,978.19

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Solution

The fourth proportional to 148,549.01, 222,820.90 and 136,978.19 is: 205,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,549.01 : 222,820.90 = 136,978.19 : x
  2. Step 2: Convert to fraction form
    148,549.01/222,820.90 = 136,978.19/x
  3. Step 3: Cross multiply
    148,549.01x = 222,820.90 × 136,978.19
  4. Step 4: Simplify right side
    148,549.01x = 30,521,603,340.45
  5. Step 5: Solve for x
    x = 30,521,603,340.45/148,549.01
  6. Step 6: Final answer
    x = 205,464.87

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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.