Home / 143,715.36-198,333.33-80,053.20

Finding the Fourth Proportional to 143,715.36, 198,333.33 and 80,053.20

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Solution

The fourth proportional to 143,715.36, 198,333.33 and 80,053.20 is: 110,476.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,715.36 : 198,333.33 = 80,053.20 : x
  2. Step 2: Convert to fraction form
    143,715.36/198,333.33 = 80,053.20/x
  3. Step 3: Cross multiply
    143,715.36x = 198,333.33 × 80,053.20
  4. Step 4: Simplify right side
    143,715.36x = 15,877,217,733.16
  5. Step 5: Solve for x
    x = 15,877,217,733.16/143,715.36
  6. Step 6: Final answer
    x = 110,476.83

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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.