Home / 251,018.24-346,400.78-137,840.18

Finding the Fourth Proportional to 251,018.24, 346,400.78 and 137,840.18

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Solution

The fourth proportional to 251,018.24, 346,400.78 and 137,840.18 is: 190,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,018.24 : 346,400.78 = 137,840.18 : x
  2. Step 2: Convert to fraction form
    251,018.24/346,400.78 = 137,840.18/x
  3. Step 3: Cross multiply
    251,018.24x = 346,400.78 × 137,840.18
  4. Step 4: Simplify right side
    251,018.24x = 47,747,945,867.34
  5. Step 5: Solve for x
    x = 47,747,945,867.34/251,018.24
  6. Step 6: Final answer
    x = 190,217.04

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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.