Home / 166,301.40-249,379.20-66,428.40

Finding the Fourth Proportional to 166,301.40, 249,379.20 and 66,428.40

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Solution

The fourth proportional to 166,301.40, 249,379.20 and 66,428.40 is: 99,613.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,301.40 : 249,379.20 = 66,428.40 : x
  2. Step 2: Convert to fraction form
    166,301.40/249,379.20 = 66,428.40/x
  3. Step 3: Cross multiply
    166,301.40x = 249,379.20 × 66,428.40
  4. Step 4: Simplify right side
    166,301.40x = 16,565,861,249.28
  5. Step 5: Solve for x
    x = 16,565,861,249.28/166,301.40
  6. Step 6: Final answer
    x = 99,613.48

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1.5x scale

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.