Home / 148,114.98-221,655.78-121,149.24

Finding the Fourth Proportional to 148,114.98, 221,655.78 and 121,149.24

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Solution

The fourth proportional to 148,114.98, 221,655.78 and 121,149.24 is: 181,301.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,114.98 : 221,655.78 = 121,149.24 : x
  2. Step 2: Convert to fraction form
    148,114.98/221,655.78 = 121,149.24/x
  3. Step 3: Cross multiply
    148,114.98x = 221,655.78 × 121,149.24
  4. Step 4: Simplify right side
    148,114.98x = 26,853,429,288.61
  5. Step 5: Solve for x
    x = 26,853,429,288.61/148,114.98
  6. Step 6: Final answer
    x = 181,301.24

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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.