Home / 143,004.24-197,355.12-79,349.04

Finding the Fourth Proportional to 143,004.24, 197,355.12 and 79,349.04

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Solution

The fourth proportional to 143,004.24, 197,355.12 and 79,349.04 is: 109,506.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,004.24 : 197,355.12 = 79,349.04 : x
  2. Step 2: Convert to fraction form
    143,004.24/197,355.12 = 79,349.04/x
  3. Step 3: Cross multiply
    143,004.24x = 197,355.12 × 79,349.04
  4. Step 4: Simplify right side
    143,004.24x = 15,659,939,311.08
  5. Step 5: Solve for x
    x = 15,659,939,311.08/143,004.24
  6. Step 6: Final answer
    x = 109,506.82

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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.