Home / 143,187.62-197,596.06-79,523.24

Finding the Fourth Proportional to 143,187.62, 197,596.06 and 79,523.24

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Solution

The fourth proportional to 143,187.62, 197,596.06 and 79,523.24 is: 109,740.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,187.62 : 197,596.06 = 79,523.24 : x
  2. Step 2: Convert to fraction form
    143,187.62/197,596.06 = 79,523.24/x
  3. Step 3: Cross multiply
    143,187.62x = 197,596.06 × 79,523.24
  4. Step 4: Simplify right side
    143,187.62x = 15,713,477,715.65
  5. Step 5: Solve for x
    x = 15,713,477,715.65/143,187.62
  6. Step 6: Final answer
    x = 109,740.48

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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.