Home / 105,354.72-158,115.11-46,231.20

Finding the Fourth Proportional to 105,354.72, 158,115.11 and 46,231.20

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Solution

The fourth proportional to 105,354.72, 158,115.11 and 46,231.20 is: 69,383.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,354.72 : 158,115.11 = 46,231.20 : x
  2. Step 2: Convert to fraction form
    105,354.72/158,115.11 = 46,231.20/x
  3. Step 3: Cross multiply
    105,354.72x = 158,115.11 × 46,231.20
  4. Step 4: Simplify right side
    105,354.72x = 7,309,851,273.43
  5. Step 5: Solve for x
    x = 7,309,851,273.43/105,354.72
  6. Step 6: Final answer
    x = 69,383.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.