Home / 249,138.59-343,812.20-135,961.34

Finding the Fourth Proportional to 249,138.59, 343,812.20 and 135,961.34

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Solution

The fourth proportional to 249,138.59, 343,812.20 and 135,961.34 is: 187,627.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,138.59 : 343,812.20 = 135,961.34 : x
  2. Step 2: Convert to fraction form
    249,138.59/343,812.20 = 135,961.34/x
  3. Step 3: Cross multiply
    249,138.59x = 343,812.20 × 135,961.34
  4. Step 4: Simplify right side
    249,138.59x = 46,745,165,021.48
  5. Step 5: Solve for x
    x = 46,745,165,021.48/249,138.59
  6. Step 6: Final answer
    x = 187,627.16

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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.