Home / 123,267.33-170,108.84-66,678.71

Finding the Fourth Proportional to 123,267.33, 170,108.84 and 66,678.71

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Solution

The fourth proportional to 123,267.33, 170,108.84 and 66,678.71 is: 92,016.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,267.33 : 170,108.84 = 66,678.71 : x
  2. Step 2: Convert to fraction form
    123,267.33/170,108.84 = 66,678.71/x
  3. Step 3: Cross multiply
    123,267.33x = 170,108.84 × 66,678.71
  4. Step 4: Simplify right side
    123,267.33x = 11,342,637,326.95
  5. Step 5: Solve for x
    x = 11,342,637,326.95/123,267.33
  6. Step 6: Final answer
    x = 92,016.57

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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.