Home / 123,699.27-170,705.73-69,995.51

Finding the Fourth Proportional to 123,699.27, 170,705.73 and 69,995.51

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Solution

The fourth proportional to 123,699.27, 170,705.73 and 69,995.51 is: 96,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,699.27 : 170,705.73 = 69,995.51 : x
  2. Step 2: Convert to fraction form
    123,699.27/170,705.73 = 69,995.51/x
  3. Step 3: Cross multiply
    123,699.27x = 170,705.73 × 69,995.51
  4. Step 4: Simplify right side
    123,699.27x = 11,948,634,286.65
  5. Step 5: Solve for x
    x = 11,948,634,286.65/123,699.27
  6. Step 6: Final answer
    x = 96,594.22

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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.