Home / 251,028-346,421.07-137,853.18

Finding the Fourth Proportional to 251,028, 346,421.07 and 137,853.18

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Solution

The fourth proportional to 251,028, 346,421.07 and 137,853.18 is: 190,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,028 : 346,421.07 = 137,853.18 : x
  2. Step 2: Convert to fraction form
    251,028/346,421.07 = 137,853.18/x
  3. Step 3: Cross multiply
    251,028x = 346,421.07 × 137,853.18
  4. Step 4: Simplify right side
    251,028x = 47,755,246,118.50
  5. Step 5: Solve for x
    x = 47,755,246,118.50/251,028
  6. Step 6: Final answer
    x = 190,238.72

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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.