Home / 123,335.06-170,202.30-69,620.54

Finding the Fourth Proportional to 123,335.06, 170,202.30 and 69,620.54

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Solution

The fourth proportional to 123,335.06, 170,202.30 and 69,620.54 is: 96,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,335.06 : 170,202.30 = 69,620.54 : x
  2. Step 2: Convert to fraction form
    123,335.06/170,202.30 = 69,620.54/x
  3. Step 3: Cross multiply
    123,335.06x = 170,202.30 × 69,620.54
  4. Step 4: Simplify right side
    123,335.06x = 11,849,575,184.23
  5. Step 5: Solve for x
    x = 11,849,575,184.23/123,335.06
  6. Step 6: Final answer
    x = 96,076.30

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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.