Home / 251,402.25-346,941.68-136,688.61

Finding the Fourth Proportional to 251,402.25, 346,941.68 and 136,688.61

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Solution

The fourth proportional to 251,402.25, 346,941.68 and 136,688.61 is: 188,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,402.25 : 346,941.68 = 136,688.61 : x
  2. Step 2: Convert to fraction form
    251,402.25/346,941.68 = 136,688.61/x
  3. Step 3: Cross multiply
    251,402.25x = 346,941.68 × 136,688.61
  4. Step 4: Simplify right side
    251,402.25x = 47,422,975,306.82
  5. Step 5: Solve for x
    x = 47,422,975,306.82/251,402.25
  6. Step 6: Final answer
    x = 188,633.85

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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.