Home / 123,327.93-170,192.53-66,739.31

Finding the Fourth Proportional to 123,327.93, 170,192.53 and 66,739.31

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Solution

The fourth proportional to 123,327.93, 170,192.53 and 66,739.31 is: 92,100.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,327.93 : 170,192.53 = 66,739.31 : x
  2. Step 2: Convert to fraction form
    123,327.93/170,192.53 = 66,739.31/x
  3. Step 3: Cross multiply
    123,327.93x = 170,192.53 × 66,739.31
  4. Step 4: Simplify right side
    123,327.93x = 11,358,530,834.70
  5. Step 5: Solve for x
    x = 11,358,530,834.70/123,327.93
  6. Step 6: Final answer
    x = 92,100.23

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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.