Home / 166,140.88-249,250.68-66,306.64

Finding the Fourth Proportional to 166,140.88, 249,250.68 and 66,306.64

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Solution

The fourth proportional to 166,140.88, 249,250.68 and 66,306.64 is: 99,475.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,140.88 : 249,250.68 = 66,306.64 : x
  2. Step 2: Convert to fraction form
    166,140.88/249,250.68 = 66,306.64/x
  3. Step 3: Cross multiply
    166,140.88x = 249,250.68 × 66,306.64
  4. Step 4: Simplify right side
    166,140.88x = 16,526,975,108.52
  5. Step 5: Solve for x
    x = 16,526,975,108.52/166,140.88
  6. Step 6: Final answer
    x = 99,475.67

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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.