Home / 166,081.13-249,001.01-66,211.37

Finding the Fourth Proportional to 166,081.13, 249,001.01 and 66,211.37

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Solution

The fourth proportional to 166,081.13, 249,001.01 and 66,211.37 is: 99,268.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,081.13 : 249,001.01 = 66,211.37 : x
  2. Step 2: Convert to fraction form
    166,081.13/249,001.01 = 66,211.37/x
  3. Step 3: Cross multiply
    166,081.13x = 249,001.01 × 66,211.37
  4. Step 4: Simplify right side
    166,081.13x = 16,486,697,672.43
  5. Step 5: Solve for x
    x = 16,486,697,672.43/166,081.13
  6. Step 6: Final answer
    x = 99,268.94

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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.