Home / 249,209.82-343,909.46-136,032.57

Finding the Fourth Proportional to 249,209.82, 343,909.46 and 136,032.57

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Solution

The fourth proportional to 249,209.82, 343,909.46 and 136,032.57 is: 187,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,209.82 : 343,909.46 = 136,032.57 : x
  2. Step 2: Convert to fraction form
    249,209.82/343,909.46 = 136,032.57/x
  3. Step 3: Cross multiply
    249,209.82x = 343,909.46 × 136,032.57
  4. Step 4: Simplify right side
    249,209.82x = 46,782,887,691.11
  5. Step 5: Solve for x
    x = 46,782,887,691.11/249,209.82
  6. Step 6: Final answer
    x = 187,724.90

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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.