Home / 249,231.64-343,945.56-136,055.20

Finding the Fourth Proportional to 249,231.64, 343,945.56 and 136,055.20

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Solution

The fourth proportional to 249,231.64, 343,945.56 and 136,055.20 is: 187,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,231.64 : 343,945.56 = 136,055.20 : x
  2. Step 2: Convert to fraction form
    249,231.64/343,945.56 = 136,055.20/x
  3. Step 3: Cross multiply
    249,231.64x = 343,945.56 × 136,055.20
  4. Step 4: Simplify right side
    249,231.64x = 46,795,581,954.91
  5. Step 5: Solve for x
    x = 46,795,581,954.91/249,231.64
  6. Step 6: Final answer
    x = 187,759.40

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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.