Home / 249,921.32-374,881.68-81,441.38

Finding the Fourth Proportional to 249,921.32, 374,881.68 and 81,441.38

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Solution

The fourth proportional to 249,921.32, 374,881.68 and 81,441.38 is: 122,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,921.32 : 374,881.68 = 81,441.38 : x
  2. Step 2: Convert to fraction form
    249,921.32/374,881.68 = 81,441.38/x
  3. Step 3: Cross multiply
    249,921.32x = 374,881.68 × 81,441.38
  4. Step 4: Simplify right side
    249,921.32x = 30,530,881,355.92
  5. Step 5: Solve for x
    x = 30,530,881,355.92/249,921.32
  6. Step 6: Final answer
    x = 122,161.97

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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.