Home / 249,111.12-343,770.12-135,931.92

Finding the Fourth Proportional to 249,111.12, 343,770.12 and 135,931.92

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Solution

The fourth proportional to 249,111.12, 343,770.12 and 135,931.92 is: 187,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,111.12 : 343,770.12 = 135,931.92 : x
  2. Step 2: Convert to fraction form
    249,111.12/343,770.12 = 135,931.92/x
  3. Step 3: Cross multiply
    249,111.12x = 343,770.12 × 135,931.92
  4. Step 4: Simplify right side
    249,111.12x = 46,729,332,450.23
  5. Step 5: Solve for x
    x = 46,729,332,450.23/249,111.12
  6. Step 6: Final answer
    x = 187,584.29

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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.