Home / 249,921.88-374,844.32-81,441.79

Finding the Fourth Proportional to 249,921.88, 374,844.32 and 81,441.79

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Solution

The fourth proportional to 249,921.88, 374,844.32 and 81,441.79 is: 122,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,921.88 : 374,844.32 = 81,441.79 : x
  2. Step 2: Convert to fraction form
    249,921.88/374,844.32 = 81,441.79/x
  3. Step 3: Cross multiply
    249,921.88x = 374,844.32 × 81,441.79
  4. Step 4: Simplify right side
    249,921.88x = 30,527,990,110.70
  5. Step 5: Solve for x
    x = 30,527,990,110.70/249,921.88
  6. Step 6: Final answer
    x = 122,150.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.