Home / 166,039.30-249,178.61-66,141.69

Finding the Fourth Proportional to 166,039.30, 249,178.61 and 66,141.69

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Solution

The fourth proportional to 166,039.30, 249,178.61 and 66,141.69 is: 99,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,039.30 : 249,178.61 = 66,141.69 : x
  2. Step 2: Convert to fraction form
    166,039.30/249,178.61 = 66,141.69/x
  3. Step 3: Cross multiply
    166,039.30x = 249,178.61 × 66,141.69
  4. Step 4: Simplify right side
    166,039.30x = 16,481,094,377.25
  5. Step 5: Solve for x
    x = 16,481,094,377.25/166,039.30
  6. Step 6: Final answer
    x = 99,260.20

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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.