Home / 166,312.20-249,468.30-82,112.70

Finding the Fourth Proportional to 166,312.20, 249,468.30 and 82,112.70

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Solution

The fourth proportional to 166,312.20, 249,468.30 and 82,112.70 is: 123,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,312.20 : 249,468.30 = 82,112.70 : x
  2. Step 2: Convert to fraction form
    166,312.20/249,468.30 = 82,112.70/x
  3. Step 3: Cross multiply
    166,312.20x = 249,468.30 × 82,112.70
  4. Step 4: Simplify right side
    166,312.20x = 20,484,515,677.41
  5. Step 5: Solve for x
    x = 20,484,515,677.41/166,312.20
  6. Step 6: Final answer
    x = 123,169.05

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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.