Home / 123,333.52-170,200.56-66,745.30

Finding the Fourth Proportional to 123,333.52, 170,200.56 and 66,745.30

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Solution

The fourth proportional to 123,333.52, 170,200.56 and 66,745.30 is: 92,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,333.52 : 170,200.56 = 66,745.30 : x
  2. Step 2: Convert to fraction form
    123,333.52/170,200.56 = 66,745.30/x
  3. Step 3: Cross multiply
    123,333.52x = 170,200.56 × 66,745.30
  4. Step 4: Simplify right side
    123,333.52x = 11,360,087,437.37
  5. Step 5: Solve for x
    x = 11,360,087,437.37/123,333.52
  6. Step 6: Final answer
    x = 92,108.68

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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.