Home / 249,939.90-344,926.26-142,508.79

Finding the Fourth Proportional to 249,939.90, 344,926.26 and 142,508.79

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Solution

The fourth proportional to 249,939.90, 344,926.26 and 142,508.79 is: 196,667.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,939.90 : 344,926.26 = 142,508.79 : x
  2. Step 2: Convert to fraction form
    249,939.90/344,926.26 = 142,508.79/x
  3. Step 3: Cross multiply
    249,939.90x = 344,926.26 × 142,508.79
  4. Step 4: Simplify right side
    249,939.90x = 49,155,023,951.83
  5. Step 5: Solve for x
    x = 49,155,023,951.83/249,939.90
  6. Step 6: Final answer
    x = 196,667.37

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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.