Home / 249,260.78-343,967.96-141,820.76

Finding the Fourth Proportional to 249,260.78, 343,967.96 and 141,820.76

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Solution

The fourth proportional to 249,260.78, 343,967.96 and 141,820.76 is: 195,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,260.78 : 343,967.96 = 141,820.76 : x
  2. Step 2: Convert to fraction form
    249,260.78/343,967.96 = 141,820.76/x
  3. Step 3: Cross multiply
    249,260.78x = 343,967.96 × 141,820.76
  4. Step 4: Simplify right side
    249,260.78x = 48,781,795,073.91
  5. Step 5: Solve for x
    x = 48,781,795,073.91/249,260.78
  6. Step 6: Final answer
    x = 195,705.86

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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.