Home / 143,114.16-197,497.98-79,452.12

Finding the Fourth Proportional to 143,114.16, 197,497.98 and 79,452.12

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Solution

The fourth proportional to 143,114.16, 197,497.98 and 79,452.12 is: 109,644.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,114.16 : 197,497.98 = 79,452.12 : x
  2. Step 2: Convert to fraction form
    143,114.16/197,497.98 = 79,452.12/x
  3. Step 3: Cross multiply
    143,114.16x = 197,497.98 × 79,452.12
  4. Step 4: Simplify right side
    143,114.16x = 15,691,633,206.72
  5. Step 5: Solve for x
    x = 15,691,633,206.72/143,114.16
  6. Step 6: Final answer
    x = 109,644.17

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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.