Home / 249,096.24-343,749.96-135,920.88

Finding the Fourth Proportional to 249,096.24, 343,749.96 and 135,920.88

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Solution

The fourth proportional to 249,096.24, 343,749.96 and 135,920.88 is: 187,569.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,096.24 : 343,749.96 = 135,920.88 : x
  2. Step 2: Convert to fraction form
    249,096.24/343,749.96 = 135,920.88/x
  3. Step 3: Cross multiply
    249,096.24x = 343,749.96 × 135,920.88
  4. Step 4: Simplify right side
    249,096.24x = 46,722,797,063.16
  5. Step 5: Solve for x
    x = 46,722,797,063.16/249,096.24
  6. Step 6: Final answer
    x = 187,569.26

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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.