Home / 249,138.50-343,811.04-135,961.25

Finding the Fourth Proportional to 249,138.50, 343,811.04 and 135,961.25

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Solution

The fourth proportional to 249,138.50, 343,811.04 and 135,961.25 is: 187,626.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,138.50 : 343,811.04 = 135,961.25 : x
  2. Step 2: Convert to fraction form
    249,138.50/343,811.04 = 135,961.25/x
  3. Step 3: Cross multiply
    249,138.50x = 343,811.04 × 135,961.25
  4. Step 4: Simplify right side
    249,138.50x = 46,744,978,849.62
  5. Step 5: Solve for x
    x = 46,744,978,849.62/249,138.50
  6. Step 6: Final answer
    x = 187,626.48

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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.