Home / 123,344.02-170,213.56-69,627.88

Finding the Fourth Proportional to 123,344.02, 170,213.56 and 69,627.88

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Solution

The fourth proportional to 123,344.02, 170,213.56 and 69,627.88 is: 96,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,344.02 : 170,213.56 = 69,627.88 : x
  2. Step 2: Convert to fraction form
    123,344.02/170,213.56 = 69,627.88/x
  3. Step 3: Cross multiply
    123,344.02x = 170,213.56 × 69,627.88
  4. Step 4: Simplify right side
    123,344.02x = 11,851,609,330.05
  5. Step 5: Solve for x
    x = 11,851,609,330.05/123,344.02
  6. Step 6: Final answer
    x = 96,085.80

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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.