Home / 123,190.49-170,002.05-69,475.97

Finding the Fourth Proportional to 123,190.49, 170,002.05 and 69,475.97

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Solution

The fourth proportional to 123,190.49, 170,002.05 and 69,475.97 is: 95,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,190.49 : 170,002.05 = 69,475.97 : x
  2. Step 2: Convert to fraction form
    123,190.49/170,002.05 = 69,475.97/x
  3. Step 3: Cross multiply
    123,190.49x = 170,002.05 × 69,475.97
  4. Step 4: Simplify right side
    123,190.49x = 11,811,057,325.74
  5. Step 5: Solve for x
    x = 11,811,057,325.74/123,190.49
  6. Step 6: Final answer
    x = 95,876.37

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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.