Home / 249,245.13-343,956.53-136,067.88

Finding the Fourth Proportional to 249,245.13, 343,956.53 and 136,067.88

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Solution

The fourth proportional to 249,245.13, 343,956.53 and 136,067.88 is: 187,772.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,245.13 : 343,956.53 = 136,067.88 : x
  2. Step 2: Convert to fraction form
    249,245.13/343,956.53 = 136,067.88/x
  3. Step 3: Cross multiply
    249,245.13x = 343,956.53 × 136,067.88
  4. Step 4: Simplify right side
    249,245.13x = 46,801,435,168.92
  5. Step 5: Solve for x
    x = 46,801,435,168.92/249,245.13
  6. Step 6: Final answer
    x = 187,772.72

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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.