Home / 166,222.32-249,432.12-66,429.60

Finding the Fourth Proportional to 166,222.32, 249,432.12 and 66,429.60

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Solution

The fourth proportional to 166,222.32, 249,432.12 and 66,429.60 is: 99,683.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,222.32 : 249,432.12 = 66,429.60 : x
  2. Step 2: Convert to fraction form
    166,222.32/249,432.12 = 66,429.60/x
  3. Step 3: Cross multiply
    166,222.32x = 249,432.12 × 66,429.60
  4. Step 4: Simplify right side
    166,222.32x = 16,569,675,958.75
  5. Step 5: Solve for x
    x = 16,569,675,958.75/166,222.32
  6. Step 6: Final answer
    x = 99,683.82

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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.