Home / 251,315.31-376,761.02-109,053.39

Finding the Fourth Proportional to 251,315.31, 376,761.02 and 109,053.39

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Solution

The fourth proportional to 251,315.31, 376,761.02 and 109,053.39 is: 163,488.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,315.31 : 376,761.02 = 109,053.39 : x
  2. Step 2: Convert to fraction form
    251,315.31/376,761.02 = 109,053.39/x
  3. Step 3: Cross multiply
    251,315.31x = 376,761.02 × 109,053.39
  4. Step 4: Simplify right side
    251,315.31x = 41,087,065,812.59
  5. Step 5: Solve for x
    x = 41,087,065,812.59/251,315.31
  6. Step 6: Final answer
    x = 163,488.11

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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.