Home / 249,143.11-343,817.39-135,965.86

Finding the Fourth Proportional to 249,143.11, 343,817.39 and 135,965.86

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Solution

The fourth proportional to 249,143.11, 343,817.39 and 135,965.86 is: 187,632.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,143.11 : 343,817.39 = 135,965.86 : x
  2. Step 2: Convert to fraction form
    249,143.11/343,817.39 = 135,965.86/x
  3. Step 3: Cross multiply
    249,143.11x = 343,817.39 × 135,965.86
  4. Step 4: Simplify right side
    249,143.11x = 46,747,426,594.68
  5. Step 5: Solve for x
    x = 46,747,426,594.68/249,143.11
  6. Step 6: Final answer
    x = 187,632.83

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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.