Home / 249,268.72-343,989.06-136,091.46

Finding the Fourth Proportional to 249,268.72, 343,989.06 and 136,091.46

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Solution

The fourth proportional to 249,268.72, 343,989.06 and 136,091.46 is: 187,805.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,268.72 : 343,989.06 = 136,091.46 : x
  2. Step 2: Convert to fraction form
    249,268.72/343,989.06 = 136,091.46/x
  3. Step 3: Cross multiply
    249,268.72x = 343,989.06 × 136,091.46
  4. Step 4: Simplify right side
    249,268.72x = 46,813,973,399.43
  5. Step 5: Solve for x
    x = 46,813,973,399.43/249,268.72
  6. Step 6: Final answer
    x = 187,805.25

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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.