Home / 251,456.95-347,008.69-136,735.66

Finding the Fourth Proportional to 251,456.95, 347,008.69 and 136,735.66

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Solution

The fourth proportional to 251,456.95, 347,008.69 and 136,735.66 is: 188,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,456.95 : 347,008.69 = 136,735.66 : x
  2. Step 2: Convert to fraction form
    251,456.95/347,008.69 = 136,735.66/x
  3. Step 3: Cross multiply
    251,456.95x = 347,008.69 × 136,735.66
  4. Step 4: Simplify right side
    251,456.95x = 47,448,462,252.89
  5. Step 5: Solve for x
    x = 47,448,462,252.89/251,456.95
  6. Step 6: Final answer
    x = 188,694.18

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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.