Home / 166,233.66-249,278.36-91,331.34

Finding the Fourth Proportional to 166,233.66, 249,278.36 and 91,331.34

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Solution

The fourth proportional to 166,233.66, 249,278.36 and 91,331.34 is: 136,957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,233.66 : 249,278.36 = 91,331.34 : x
  2. Step 2: Convert to fraction form
    166,233.66/249,278.36 = 91,331.34/x
  3. Step 3: Cross multiply
    166,233.66x = 249,278.36 × 91,331.34
  4. Step 4: Simplify right side
    166,233.66x = 22,766,926,195.15
  5. Step 5: Solve for x
    x = 22,766,926,195.15/166,233.66
  6. Step 6: Final answer
    x = 136,957.38

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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.