Home / 249,067.28-343,713.96-135,892.40

Finding the Fourth Proportional to 249,067.28, 343,713.96 and 135,892.40

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Solution

The fourth proportional to 249,067.28, 343,713.96 and 135,892.40 is: 187,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,067.28 : 343,713.96 = 135,892.40 : x
  2. Step 2: Convert to fraction form
    249,067.28/343,713.96 = 135,892.40/x
  3. Step 3: Cross multiply
    249,067.28x = 343,713.96 × 135,892.40
  4. Step 4: Simplify right side
    249,067.28x = 46,708,114,937.90
  5. Step 5: Solve for x
    x = 46,708,114,937.90/249,067.28
  6. Step 6: Final answer
    x = 187,532.12

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1.5x scale

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.