Home / 166,034.78-249,171.86-66,137.19

Finding the Fourth Proportional to 166,034.78, 249,171.86 and 66,137.19

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Solution

The fourth proportional to 166,034.78, 249,171.86 and 66,137.19 is: 99,253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,034.78 : 249,171.86 = 66,137.19 : x
  2. Step 2: Convert to fraction form
    166,034.78/249,171.86 = 66,137.19/x
  3. Step 3: Cross multiply
    166,034.78x = 249,171.86 × 66,137.19
  4. Step 4: Simplify right side
    166,034.78x = 16,479,526,647.47
  5. Step 5: Solve for x
    x = 16,479,526,647.47/166,034.78
  6. Step 6: Final answer
    x = 99,253.46

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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.