Home / 249,159.92-343,835.89-135,983.48

Finding the Fourth Proportional to 249,159.92, 343,835.89 and 135,983.48

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Solution

The fourth proportional to 249,159.92, 343,835.89 and 135,983.48 is: 187,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,159.92 : 343,835.89 = 135,983.48 : x
  2. Step 2: Convert to fraction form
    249,159.92/343,835.89 = 135,983.48/x
  3. Step 3: Cross multiply
    249,159.92x = 343,835.89 × 135,983.48
  4. Step 4: Simplify right side
    249,159.92x = 46,755,998,811.96
  5. Step 5: Solve for x
    x = 46,755,998,811.96/249,159.92
  6. Step 6: Final answer
    x = 187,654.58

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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.