Home / 166,556.40-249,748.20-61,321.20

Finding the Fourth Proportional to 166,556.40, 249,748.20 and 61,321.20

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Solution

The fourth proportional to 166,556.40, 249,748.20 and 61,321.20 is: 91,949.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,556.40 : 249,748.20 = 61,321.20 : x
  2. Step 2: Convert to fraction form
    166,556.40/249,748.20 = 61,321.20/x
  3. Step 3: Cross multiply
    166,556.40x = 249,748.20 × 61,321.20
  4. Step 4: Simplify right side
    166,556.40x = 15,314,859,321.84
  5. Step 5: Solve for x
    x = 15,314,859,321.84/166,556.40
  6. Step 6: Final answer
    x = 91,949.99

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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.