Home / 166,838.40-250,279.20-82,641.60

Finding the Fourth Proportional to 166,838.40, 250,279.20 and 82,641.60

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Solution

The fourth proportional to 166,838.40, 250,279.20 and 82,641.60 is: 123,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,838.40 : 250,279.20 = 82,641.60 : x
  2. Step 2: Convert to fraction form
    166,838.40/250,279.20 = 82,641.60/x
  3. Step 3: Cross multiply
    166,838.40x = 250,279.20 × 82,641.60
  4. Step 4: Simplify right side
    166,838.40x = 20,683,473,534.72
  5. Step 5: Solve for x
    x = 20,683,473,534.72/166,838.40
  6. Step 6: Final answer
    x = 123,973.10

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1.5x scale

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.