Home / 123,506.32-170,416.29-69,059.47

Finding the Fourth Proportional to 123,506.32, 170,416.29 and 69,059.47

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Solution

The fourth proportional to 123,506.32, 170,416.29 and 69,059.47 is: 95,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,506.32 : 170,416.29 = 69,059.47 : x
  2. Step 2: Convert to fraction form
    123,506.32/170,416.29 = 69,059.47/x
  3. Step 3: Cross multiply
    123,506.32x = 170,416.29 × 69,059.47
  4. Step 4: Simplify right side
    123,506.32x = 11,768,857,469.39
  5. Step 5: Solve for x
    x = 11,768,857,469.39/123,506.32
  6. Step 6: Final answer
    x = 95,289.52

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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.