Home / 123,293.69-170,144.57-66,703.85

Finding the Fourth Proportional to 123,293.69, 170,144.57 and 66,703.85

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Solution

The fourth proportional to 123,293.69, 170,144.57 and 66,703.85 is: 92,050.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,293.69 : 170,144.57 = 66,703.85 : x
  2. Step 2: Convert to fraction form
    123,293.69/170,144.57 = 66,703.85/x
  3. Step 3: Cross multiply
    123,293.69x = 170,144.57 × 66,703.85
  4. Step 4: Simplify right side
    123,293.69x = 11,349,297,191.63
  5. Step 5: Solve for x
    x = 11,349,297,191.63/123,293.69
  6. Step 6: Final answer
    x = 92,050.92

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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.