Home / 251,050.12-346,448.75-137,872.87

Finding the Fourth Proportional to 251,050.12, 346,448.75 and 137,872.87

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Solution

The fourth proportional to 251,050.12, 346,448.75 and 137,872.87 is: 190,264.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,050.12 : 346,448.75 = 137,872.87 : x
  2. Step 2: Convert to fraction form
    251,050.12/346,448.75 = 137,872.87/x
  3. Step 3: Cross multiply
    251,050.12x = 346,448.75 × 137,872.87
  4. Step 4: Simplify right side
    251,050.12x = 47,765,883,470.41
  5. Step 5: Solve for x
    x = 47,765,883,470.41/251,050.12
  6. Step 6: Final answer
    x = 190,264.33

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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.