Home / 123,388.92-170,276.74-66,800.30

Finding the Fourth Proportional to 123,388.92, 170,276.74 and 66,800.30

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Solution

The fourth proportional to 123,388.92, 170,276.74 and 66,800.30 is: 92,184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,388.92 : 170,276.74 = 66,800.30 : x
  2. Step 2: Convert to fraction form
    123,388.92/170,276.74 = 66,800.30/x
  3. Step 3: Cross multiply
    123,388.92x = 170,276.74 × 66,800.30
  4. Step 4: Simplify right side
    123,388.92x = 11,374,537,315.02
  5. Step 5: Solve for x
    x = 11,374,537,315.02/123,388.92
  6. Step 6: Final answer
    x = 92,184.43

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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.