Home / 123,774.72-170,794.94-69,319.32

Finding the Fourth Proportional to 123,774.72, 170,794.94 and 69,319.32

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Solution

The fourth proportional to 123,774.72, 170,794.94 and 69,319.32 is: 95,652.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,774.72 : 170,794.94 = 69,319.32 : x
  2. Step 2: Convert to fraction form
    123,774.72/170,794.94 = 69,319.32/x
  3. Step 3: Cross multiply
    123,774.72x = 170,794.94 × 69,319.32
  4. Step 4: Simplify right side
    123,774.72x = 11,839,388,753.64
  5. Step 5: Solve for x
    x = 11,839,388,753.64/123,774.72
  6. Step 6: Final answer
    x = 95,652.72

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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.