Home / 123,330.23-170,192.10-69,620.24

Finding the Fourth Proportional to 123,330.23, 170,192.10 and 69,620.24

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Solution

The fourth proportional to 123,330.23, 170,192.10 and 69,620.24 is: 96,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,330.23 : 170,192.10 = 69,620.24 : x
  2. Step 2: Convert to fraction form
    123,330.23/170,192.10 = 69,620.24/x
  3. Step 3: Cross multiply
    123,330.23x = 170,192.10 × 69,620.24
  4. Step 4: Simplify right side
    123,330.23x = 11,848,813,997.14
  5. Step 5: Solve for x
    x = 11,848,813,997.14/123,330.23
  6. Step 6: Final answer
    x = 96,073.89

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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.