Home / 251,017.24-346,399.40-137,839.18

Finding the Fourth Proportional to 251,017.24, 346,399.40 and 137,839.18

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Solution

The fourth proportional to 251,017.24, 346,399.40 and 137,839.18 is: 190,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,017.24 : 346,399.40 = 137,839.18 : x
  2. Step 2: Convert to fraction form
    251,017.24/346,399.40 = 137,839.18/x
  3. Step 3: Cross multiply
    251,017.24x = 346,399.40 × 137,839.18
  4. Step 4: Simplify right side
    251,017.24x = 47,747,409,248.49
  5. Step 5: Solve for x
    x = 47,747,409,248.49/251,017.24
  6. Step 6: Final answer
    x = 190,215.66

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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.