Home / 123,349.26-170,212.47-69,639.57

Finding the Fourth Proportional to 123,349.26, 170,212.47 and 69,639.57

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Solution

The fourth proportional to 123,349.26, 170,212.47 and 69,639.57 is: 96,097.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,349.26 : 170,212.47 = 69,639.57 : x
  2. Step 2: Convert to fraction form
    123,349.26/170,212.47 = 69,639.57/x
  3. Step 3: Cross multiply
    123,349.26x = 170,212.47 × 69,639.57
  4. Step 4: Simplify right side
    123,349.26x = 11,853,523,219.44
  5. Step 5: Solve for x
    x = 11,853,523,219.44/123,349.26
  6. Step 6: Final answer
    x = 96,097.24

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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.