Home / 249,354.72-344,104.20-136,177.92

Finding the Fourth Proportional to 249,354.72, 344,104.20 and 136,177.92

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Solution

The fourth proportional to 249,354.72, 344,104.20 and 136,177.92 is: 187,922.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,354.72 : 344,104.20 = 136,177.92 : x
  2. Step 2: Convert to fraction form
    249,354.72/344,104.20 = 136,177.92/x
  3. Step 3: Cross multiply
    249,354.72x = 344,104.20 × 136,177.92
  4. Step 4: Simplify right side
    249,354.72x = 46,859,394,219.26
  5. Step 5: Solve for x
    x = 46,859,394,219.26/249,354.72
  6. Step 6: Final answer
    x = 187,922.63

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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.