Home / 148,857.90-223,286.85-120,864.30

Finding the Fourth Proportional to 148,857.90, 223,286.85 and 120,864.30

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Solution

The fourth proportional to 148,857.90, 223,286.85 and 120,864.30 is: 181,296.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,857.90 : 223,286.85 = 120,864.30 : x
  2. Step 2: Convert to fraction form
    148,857.90/223,286.85 = 120,864.30/x
  3. Step 3: Cross multiply
    148,857.90x = 223,286.85 × 120,864.30
  4. Step 4: Simplify right side
    148,857.90x = 26,987,408,824.46
  5. Step 5: Solve for x
    x = 26,987,408,824.46/148,857.90
  6. Step 6: Final answer
    x = 181,296.45

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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.