Home / 123,343.57-170,214.03-69,629.05

Finding the Fourth Proportional to 123,343.57, 170,214.03 and 69,629.05

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Solution

The fourth proportional to 123,343.57, 170,214.03 and 69,629.05 is: 96,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,343.57 : 170,214.03 = 69,629.05 : x
  2. Step 2: Convert to fraction form
    123,343.57/170,214.03 = 69,629.05/x
  3. Step 3: Cross multiply
    123,343.57x = 170,214.03 × 69,629.05
  4. Step 4: Simplify right side
    123,343.57x = 11,851,841,205.57
  5. Step 5: Solve for x
    x = 11,851,841,205.57/123,343.57
  6. Step 6: Final answer
    x = 96,088.03

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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.