Home / 148,815.40-223,223.10-136,892.20

Finding the Fourth Proportional to 148,815.40, 223,223.10 and 136,892.20

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Solution

The fourth proportional to 148,815.40, 223,223.10 and 136,892.20 is: 205,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,815.40 : 223,223.10 = 136,892.20 : x
  2. Step 2: Convert to fraction form
    148,815.40/223,223.10 = 136,892.20/x
  3. Step 3: Cross multiply
    148,815.40x = 223,223.10 × 136,892.20
  4. Step 4: Simplify right side
    148,815.40x = 30,557,501,249.82
  5. Step 5: Solve for x
    x = 30,557,501,249.82/148,815.40
  6. Step 6: Final answer
    x = 205,338.30

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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.