Home / 123,206.50-170,015.19-69,474.34

Finding the Fourth Proportional to 123,206.50, 170,015.19 and 69,474.34

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Solution

The fourth proportional to 123,206.50, 170,015.19 and 69,474.34 is: 95,869.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,206.50 : 170,015.19 = 69,474.34 : x
  2. Step 2: Convert to fraction form
    123,206.50/170,015.19 = 69,474.34/x
  3. Step 3: Cross multiply
    123,206.50x = 170,015.19 × 69,474.34
  4. Step 4: Simplify right side
    123,206.50x = 11,811,693,115.22
  5. Step 5: Solve for x
    x = 11,811,693,115.22/123,206.50
  6. Step 6: Final answer
    x = 95,869.07

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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.