Home / 249,921.77-374,844.13-81,441.66

Finding the Fourth Proportional to 249,921.77, 374,844.13 and 81,441.66

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Solution

The fourth proportional to 249,921.77, 374,844.13 and 81,441.66 is: 122,149.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,921.77 : 374,844.13 = 81,441.66 : x
  2. Step 2: Convert to fraction form
    249,921.77/374,844.13 = 81,441.66/x
  3. Step 3: Cross multiply
    249,921.77x = 374,844.13 × 81,441.66
  4. Step 4: Simplify right side
    249,921.77x = 30,527,927,781.25
  5. Step 5: Solve for x
    x = 30,527,927,781.25/249,921.77
  6. Step 6: Final answer
    x = 122,149.94

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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.