Home / 143,261.43-197,700.82-79,599.23

Finding the Fourth Proportional to 143,261.43, 197,700.82 and 79,599.23

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Solution

The fourth proportional to 143,261.43, 197,700.82 and 79,599.23 is: 109,846.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,261.43 : 197,700.82 = 79,599.23 : x
  2. Step 2: Convert to fraction form
    143,261.43/197,700.82 = 79,599.23/x
  3. Step 3: Cross multiply
    143,261.43x = 197,700.82 × 79,599.23
  4. Step 4: Simplify right side
    143,261.43x = 15,736,832,596.24
  5. Step 5: Solve for x
    x = 15,736,832,596.24/143,261.43
  6. Step 6: Final answer
    x = 109,846.96

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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.