Home / 166,474.68-249,705.40-91,743

Finding the Fourth Proportional to 166,474.68, 249,705.40 and 91,743

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Solution

The fourth proportional to 166,474.68, 249,705.40 and 91,743 is: 137,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,474.68 : 249,705.40 = 91,743 : x
  2. Step 2: Convert to fraction form
    166,474.68/249,705.40 = 91,743/x
  3. Step 3: Cross multiply
    166,474.68x = 249,705.40 × 91,743
  4. Step 4: Simplify right side
    166,474.68x = 22,908,722,512.20
  5. Step 5: Solve for x
    x = 22,908,722,512.20/166,474.68
  6. Step 6: Final answer
    x = 137,610.85

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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.