Home / 123,271.91-170,115.05-66,683.33

Finding the Fourth Proportional to 123,271.91, 170,115.05 and 66,683.33

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Solution

The fourth proportional to 123,271.91, 170,115.05 and 66,683.33 is: 92,022.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,271.91 : 170,115.05 = 66,683.33 : x
  2. Step 2: Convert to fraction form
    123,271.91/170,115.05 = 66,683.33/x
  3. Step 3: Cross multiply
    123,271.91x = 170,115.05 × 66,683.33
  4. Step 4: Simplify right side
    123,271.91x = 11,343,837,333.25
  5. Step 5: Solve for x
    x = 11,343,837,333.25/123,271.91
  6. Step 6: Final answer
    x = 92,022.89

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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.