Home / 123,531.44-170,476.80-69,815.36

Finding the Fourth Proportional to 123,531.44, 170,476.80 and 69,815.36

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Solution

The fourth proportional to 123,531.44, 170,476.80 and 69,815.36 is: 96,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,531.44 : 170,476.80 = 69,815.36 : x
  2. Step 2: Convert to fraction form
    123,531.44/170,476.80 = 69,815.36/x
  3. Step 3: Cross multiply
    123,531.44x = 170,476.80 × 69,815.36
  4. Step 4: Simplify right side
    123,531.44x = 11,901,899,163.65
  5. Step 5: Solve for x
    x = 11,901,899,163.65/123,531.44
  6. Step 6: Final answer
    x = 96,347.13

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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.