Home / 166,442.56-249,841.54-71,719.49

Finding the Fourth Proportional to 166,442.56, 249,841.54 and 71,719.49

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Solution

The fourth proportional to 166,442.56, 249,841.54 and 71,719.49 is: 107,655.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,442.56 : 249,841.54 = 71,719.49 : x
  2. Step 2: Convert to fraction form
    166,442.56/249,841.54 = 71,719.49/x
  3. Step 3: Cross multiply
    166,442.56x = 249,841.54 × 71,719.49
  4. Step 4: Simplify right side
    166,442.56x = 17,918,507,829.61
  5. Step 5: Solve for x
    x = 17,918,507,829.61/166,442.56
  6. Step 6: Final answer
    x = 107,655.81

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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.