Home / 251,108.17-346,531.81-136,387.91

Finding the Fourth Proportional to 251,108.17, 346,531.81 and 136,387.91

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Solution

The fourth proportional to 251,108.17, 346,531.81 and 136,387.91 is: 188,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,108.17 : 346,531.81 = 136,387.91 : x
  2. Step 2: Convert to fraction form
    251,108.17/346,531.81 = 136,387.91/x
  3. Step 3: Cross multiply
    251,108.17x = 346,531.81 × 136,387.91
  4. Step 4: Simplify right side
    251,108.17x = 47,262,749,314.42
  5. Step 5: Solve for x
    x = 47,262,749,314.42/251,108.17
  6. Step 6: Final answer
    x = 188,216.69

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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.