Home / 166,280.80-249,248.40-91,285.60

Finding the Fourth Proportional to 166,280.80, 249,248.40 and 91,285.60

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Solution

The fourth proportional to 166,280.80, 249,248.40 and 91,285.60 is: 136,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,280.80 : 249,248.40 = 91,285.60 : x
  2. Step 2: Convert to fraction form
    166,280.80/249,248.40 = 91,285.60/x
  3. Step 3: Cross multiply
    166,280.80x = 249,248.40 × 91,285.60
  4. Step 4: Simplify right side
    166,280.80x = 22,752,789,743.04
  5. Step 5: Solve for x
    x = 22,752,789,743.04/166,280.80
  6. Step 6: Final answer
    x = 136,833.54

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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.