Home / 166,511.40-249,767.10-164,761.80

Finding the Fourth Proportional to 166,511.40, 249,767.10 and 164,761.80

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Solution

The fourth proportional to 166,511.40, 249,767.10 and 164,761.80 is: 247,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,511.40 : 249,767.10 = 164,761.80 : x
  2. Step 2: Convert to fraction form
    166,511.40/249,767.10 = 164,761.80/x
  3. Step 3: Cross multiply
    166,511.40x = 249,767.10 × 164,761.80
  4. Step 4: Simplify right side
    166,511.40x = 41,152,076,976.78
  5. Step 5: Solve for x
    x = 41,152,076,976.78/166,511.40
  6. Step 6: Final answer
    x = 247,142.70

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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.