Home / 166,084.82-249,200.43-87,180.90

Finding the Fourth Proportional to 166,084.82, 249,200.43 and 87,180.90

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Solution

The fourth proportional to 166,084.82, 249,200.43 and 87,180.90 is: 130,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,084.82 : 249,200.43 = 87,180.90 : x
  2. Step 2: Convert to fraction form
    166,084.82/249,200.43 = 87,180.90/x
  3. Step 3: Cross multiply
    166,084.82x = 249,200.43 × 87,180.90
  4. Step 4: Simplify right side
    166,084.82x = 21,725,517,767.79
  5. Step 5: Solve for x
    x = 21,725,517,767.79/166,084.82
  6. Step 6: Final answer
    x = 130,809.77

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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.