Home / 123,414.83-170,312.60-66,826.07

Finding the Fourth Proportional to 123,414.83, 170,312.60 and 66,826.07

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Solution

The fourth proportional to 123,414.83, 170,312.60 and 66,826.07 is: 92,220.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,414.83 : 170,312.60 = 66,826.07 : x
  2. Step 2: Convert to fraction form
    123,414.83/170,312.60 = 66,826.07/x
  3. Step 3: Cross multiply
    123,414.83x = 170,312.60 × 66,826.07
  4. Step 4: Simplify right side
    123,414.83x = 11,381,321,729.48
  5. Step 5: Solve for x
    x = 11,381,321,729.48/123,414.83
  6. Step 6: Final answer
    x = 92,220.05

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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.