Home / 249,934.86-344,910.69-136,764.90

Finding the Fourth Proportional to 249,934.86, 344,910.69 and 136,764.90

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Solution

The fourth proportional to 249,934.86, 344,910.69 and 136,764.90 is: 188,735.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,934.86 : 344,910.69 = 136,764.90 : x
  2. Step 2: Convert to fraction form
    249,934.86/344,910.69 = 136,764.90/x
  3. Step 3: Cross multiply
    249,934.86x = 344,910.69 × 136,764.90
  4. Step 4: Simplify right side
    249,934.86x = 47,171,676,026.78
  5. Step 5: Solve for x
    x = 47,171,676,026.78/249,934.86
  6. Step 6: Final answer
    x = 188,735.88

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1.5x scale

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.