Home / 251,986.95-378,035.17-117,133.80

Finding the Fourth Proportional to 251,986.95, 378,035.17 and 117,133.80

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Solution

The fourth proportional to 251,986.95, 378,035.17 and 117,133.80 is: 175,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,986.95 : 378,035.17 = 117,133.80 : x
  2. Step 2: Convert to fraction form
    251,986.95/378,035.17 = 117,133.80/x
  3. Step 3: Cross multiply
    251,986.95x = 378,035.17 × 117,133.80
  4. Step 4: Simplify right side
    251,986.95x = 44,280,694,285.28
  5. Step 5: Solve for x
    x = 44,280,694,285.28/251,986.95
  6. Step 6: Final answer
    x = 175,726.14

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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.