Home / 123,523.26-170,457.66-69,807.10

Finding the Fourth Proportional to 123,523.26, 170,457.66 and 69,807.10

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Solution

The fourth proportional to 123,523.26, 170,457.66 and 69,807.10 is: 96,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,523.26 : 170,457.66 = 69,807.10 : x
  2. Step 2: Convert to fraction form
    123,523.26/170,457.66 = 69,807.10/x
  3. Step 3: Cross multiply
    123,523.26x = 170,457.66 × 69,807.10
  4. Step 4: Simplify right side
    123,523.26x = 11,899,154,917.39
  5. Step 5: Solve for x
    x = 11,899,154,917.39/123,523.26
  6. Step 6: Final answer
    x = 96,331.29

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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.