Home / 249,961.86-344,947.95-136,791.90

Finding the Fourth Proportional to 249,961.86, 344,947.95 and 136,791.90

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Solution

The fourth proportional to 249,961.86, 344,947.95 and 136,791.90 is: 188,773.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,961.86 : 344,947.95 = 136,791.90 : x
  2. Step 2: Convert to fraction form
    249,961.86/344,947.95 = 136,791.90/x
  3. Step 3: Cross multiply
    249,961.86x = 344,947.95 × 136,791.90
  4. Step 4: Simplify right side
    249,961.86x = 47,186,085,481.61
  5. Step 5: Solve for x
    x = 47,186,085,481.61/249,961.86
  6. Step 6: Final answer
    x = 188,773.14

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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.