Home / 123,465.72-170,382.93-66,877.14

Finding the Fourth Proportional to 123,465.72, 170,382.93 and 66,877.14

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Solution

The fourth proportional to 123,465.72, 170,382.93 and 66,877.14 is: 92,290.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,465.72 : 170,382.93 = 66,877.14 : x
  2. Step 2: Convert to fraction form
    123,465.72/170,382.93 = 66,877.14/x
  3. Step 3: Cross multiply
    123,465.72x = 170,382.93 × 66,877.14
  4. Step 4: Simplify right side
    123,465.72x = 11,394,723,063.22
  5. Step 5: Solve for x
    x = 11,394,723,063.22/123,465.72
  6. Step 6: Final answer
    x = 92,290.58

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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.