Home / 269,031.40-371,248.80-148,149.08

Finding the Fourth Proportional to 269,031.40, 371,248.80 and 148,149.08

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Solution

The fourth proportional to 269,031.40, 371,248.80 and 148,149.08 is: 204,437.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,031.40 : 371,248.80 = 148,149.08 : x
  2. Step 2: Convert to fraction form
    269,031.40/371,248.80 = 148,149.08/x
  3. Step 3: Cross multiply
    269,031.40x = 371,248.80 × 148,149.08
  4. Step 4: Simplify right side
    269,031.40x = 55,000,168,171.10
  5. Step 5: Solve for x
    x = 55,000,168,171.10/269,031.40
  6. Step 6: Final answer
    x = 204,437.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.