Home / 166,311.80-249,624.30-87,482.60

Finding the Fourth Proportional to 166,311.80, 249,624.30 and 87,482.60

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Solution

The fourth proportional to 166,311.80, 249,624.30 and 87,482.60 is: 131,306.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,311.80 : 249,624.30 = 87,482.60 : x
  2. Step 2: Convert to fraction form
    166,311.80/249,624.30 = 87,482.60/x
  3. Step 3: Cross multiply
    166,311.80x = 249,624.30 × 87,482.60
  4. Step 4: Simplify right side
    166,311.80x = 21,837,782,787.18
  5. Step 5: Solve for x
    x = 21,837,782,787.18/166,311.80
  6. Step 6: Final answer
    x = 131,306.27

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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.