Home / 251,127.90-346,616.28-143,760

Finding the Fourth Proportional to 251,127.90, 346,616.28 and 143,760

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Solution

The fourth proportional to 251,127.90, 346,616.28 and 143,760 is: 198,423.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,127.90 : 346,616.28 = 143,760 : x
  2. Step 2: Convert to fraction form
    251,127.90/346,616.28 = 143,760/x
  3. Step 3: Cross multiply
    251,127.90x = 346,616.28 × 143,760
  4. Step 4: Simplify right side
    251,127.90x = 49,829,556,412.80
  5. Step 5: Solve for x
    x = 49,829,556,412.80/251,127.90
  6. Step 6: Final answer
    x = 198,423.02

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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.