Home / 123,494.60-170,423.37-66,905.98

Finding the Fourth Proportional to 123,494.60, 170,423.37 and 66,905.98

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Solution

The fourth proportional to 123,494.60, 170,423.37 and 66,905.98 is: 92,330.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,494.60 : 170,423.37 = 66,905.98 : x
  2. Step 2: Convert to fraction form
    123,494.60/170,423.37 = 66,905.98/x
  3. Step 3: Cross multiply
    123,494.60x = 170,423.37 × 66,905.98
  4. Step 4: Simplify right side
    123,494.60x = 11,402,342,584.75
  5. Step 5: Solve for x
    x = 11,402,342,584.75/123,494.60
  6. Step 6: Final answer
    x = 92,330.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.