Home / 166,390.76-249,587.22-66,559.40

Finding the Fourth Proportional to 166,390.76, 249,587.22 and 66,559.40

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Solution

The fourth proportional to 166,390.76, 249,587.22 and 66,559.40 is: 99,839.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,390.76 : 249,587.22 = 66,559.40 : x
  2. Step 2: Convert to fraction form
    166,390.76/249,587.22 = 66,559.40/x
  3. Step 3: Cross multiply
    166,390.76x = 249,587.22 × 66,559.40
  4. Step 4: Simplify right side
    166,390.76x = 16,612,375,610.87
  5. Step 5: Solve for x
    x = 16,612,375,610.87/166,390.76
  6. Step 6: Final answer
    x = 99,839.53

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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.