Home / 143,733.68-198,343.86-80,060.12

Finding the Fourth Proportional to 143,733.68, 198,343.86 and 80,060.12

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Solution

The fourth proportional to 143,733.68, 198,343.86 and 80,060.12 is: 110,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,733.68 : 198,343.86 = 80,060.12 : x
  2. Step 2: Convert to fraction form
    143,733.68/198,343.86 = 80,060.12/x
  3. Step 3: Cross multiply
    143,733.68x = 198,343.86 × 80,060.12
  4. Step 4: Simplify right side
    143,733.68x = 15,879,433,232.86
  5. Step 5: Solve for x
    x = 15,879,433,232.86/143,733.68
  6. Step 6: Final answer
    x = 110,478.17

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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.