Home / 123,542.01-170,478.54-69,832.06

Finding the Fourth Proportional to 123,542.01, 170,478.54 and 69,832.06

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Solution

The fourth proportional to 123,542.01, 170,478.54 and 69,832.06 is: 96,362.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,542.01 : 170,478.54 = 69,832.06 : x
  2. Step 2: Convert to fraction form
    123,542.01/170,478.54 = 69,832.06/x
  3. Step 3: Cross multiply
    123,542.01x = 170,478.54 × 69,832.06
  4. Step 4: Simplify right side
    123,542.01x = 11,904,867,207.80
  5. Step 5: Solve for x
    x = 11,904,867,207.80/123,542.01
  6. Step 6: Final answer
    x = 96,362.91

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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.