Home / 123,342.02-170,210.79-69,625.88

Finding the Fourth Proportional to 123,342.02, 170,210.79 and 69,625.88

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Solution

The fourth proportional to 123,342.02, 170,210.79 and 69,625.88 is: 96,083.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,342.02 : 170,210.79 = 69,625.88 : x
  2. Step 2: Convert to fraction form
    123,342.02/170,210.79 = 69,625.88/x
  3. Step 3: Cross multiply
    123,342.02x = 170,210.79 × 69,625.88
  4. Step 4: Simplify right side
    123,342.02x = 11,851,076,022.30
  5. Step 5: Solve for x
    x = 11,851,076,022.30/123,342.02
  6. Step 6: Final answer
    x = 96,083.04

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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.