Home / 166,299.40-249,376.20-66,426.40

Finding the Fourth Proportional to 166,299.40, 249,376.20 and 66,426.40

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Solution

The fourth proportional to 166,299.40, 249,376.20 and 66,426.40 is: 99,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,299.40 : 249,376.20 = 66,426.40 : x
  2. Step 2: Convert to fraction form
    166,299.40/249,376.20 = 66,426.40/x
  3. Step 3: Cross multiply
    166,299.40x = 249,376.20 × 66,426.40
  4. Step 4: Simplify right side
    166,299.40x = 16,565,163,211.68
  5. Step 5: Solve for x
    x = 16,565,163,211.68/166,299.40
  6. Step 6: Final answer
    x = 99,610.48

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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.