Home / 143,204.75-197,622.57-79,548.47

Finding the Fourth Proportional to 143,204.75, 197,622.57 and 79,548.47

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Solution

The fourth proportional to 143,204.75, 197,622.57 and 79,548.47 is: 109,776.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,204.75 : 197,622.57 = 79,548.47 : x
  2. Step 2: Convert to fraction form
    143,204.75/197,622.57 = 79,548.47/x
  3. Step 3: Cross multiply
    143,204.75x = 197,622.57 × 79,548.47
  4. Step 4: Simplify right side
    143,204.75x = 15,720,573,080.97
  5. Step 5: Solve for x
    x = 15,720,573,080.97/143,204.75
  6. Step 6: Final answer
    x = 109,776.90

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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.