Home / 166,281.80-249,579.30-87,452.60

Finding the Fourth Proportional to 166,281.80, 249,579.30 and 87,452.60

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Solution

The fourth proportional to 166,281.80, 249,579.30 and 87,452.60 is: 131,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,281.80 : 249,579.30 = 87,452.60 : x
  2. Step 2: Convert to fraction form
    166,281.80/249,579.30 = 87,452.60/x
  3. Step 3: Cross multiply
    166,281.80x = 249,579.30 × 87,452.60
  4. Step 4: Simplify right side
    166,281.80x = 21,826,358,691.18
  5. Step 5: Solve for x
    x = 21,826,358,691.18/166,281.80
  6. Step 6: Final answer
    x = 131,261.26

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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.