Home / 123,494.60-170,423.37-66,905.97

Finding the Fourth Proportional to 123,494.60, 170,423.37 and 66,905.97

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Solution

The fourth proportional to 123,494.60, 170,423.37 and 66,905.97 is: 92,330.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,494.60 : 170,423.37 = 66,905.97 : x
  2. Step 2: Convert to fraction form
    123,494.60/170,423.37 = 66,905.97/x
  3. Step 3: Cross multiply
    123,494.60x = 170,423.37 × 66,905.97
  4. Step 4: Simplify right side
    123,494.60x = 11,402,340,880.52
  5. Step 5: Solve for x
    x = 11,402,340,880.52/123,494.60
  6. Step 6: Final answer
    x = 92,330.69

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1.5x scale

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.