Home / 151,270.40-226,604.89-138,870.11

Finding the Fourth Proportional to 151,270.40, 226,604.89 and 138,870.11

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Solution

The fourth proportional to 151,270.40, 226,604.89 and 138,870.11 is: 208,029.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,270.40 : 226,604.89 = 138,870.11 : x
  2. Step 2: Convert to fraction form
    151,270.40/226,604.89 = 138,870.11/x
  3. Step 3: Cross multiply
    151,270.40x = 226,604.89 × 138,870.11
  4. Step 4: Simplify right side
    151,270.40x = 31,468,646,740.94
  5. Step 5: Solve for x
    x = 31,468,646,740.94/151,270.40
  6. Step 6: Final answer
    x = 208,029.11

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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.