Home / 166,479.40-249,719.10-136,930.60

Finding the Fourth Proportional to 166,479.40, 249,719.10 and 136,930.60

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Solution

The fourth proportional to 166,479.40, 249,719.10 and 136,930.60 is: 205,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,479.40 : 249,719.10 = 136,930.60 : x
  2. Step 2: Convert to fraction form
    166,479.40/249,719.10 = 136,930.60/x
  3. Step 3: Cross multiply
    166,479.40x = 249,719.10 × 136,930.60
  4. Step 4: Simplify right side
    166,479.40x = 34,194,186,194.46
  5. Step 5: Solve for x
    x = 34,194,186,194.46/166,479.40
  6. Step 6: Final answer
    x = 205,395.90

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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.