Home / 249,960.28-344,945.16-136,783

Finding the Fourth Proportional to 249,960.28, 344,945.16 and 136,783

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Solution

The fourth proportional to 249,960.28, 344,945.16 and 136,783 is: 188,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,960.28 : 344,945.16 = 136,783 : x
  2. Step 2: Convert to fraction form
    249,960.28/344,945.16 = 136,783/x
  3. Step 3: Cross multiply
    249,960.28x = 344,945.16 × 136,783
  4. Step 4: Simplify right side
    249,960.28x = 47,182,633,820.28
  5. Step 5: Solve for x
    x = 47,182,633,820.28/249,960.28
  6. Step 6: Final answer
    x = 188,760.53

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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.