Home / 123,427.92-170,330.54-69,716.42

Finding the Fourth Proportional to 123,427.92, 170,330.54 and 69,716.42

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Solution

The fourth proportional to 123,427.92, 170,330.54 and 69,716.42 is: 96,208.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,427.92 : 170,330.54 = 69,716.42 : x
  2. Step 2: Convert to fraction form
    123,427.92/170,330.54 = 69,716.42/x
  3. Step 3: Cross multiply
    123,427.92x = 170,330.54 × 69,716.42
  4. Step 4: Simplify right side
    123,427.92x = 11,874,834,265.23
  5. Step 5: Solve for x
    x = 11,874,834,265.23/123,427.92
  6. Step 6: Final answer
    x = 96,208.66

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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.