Home / 128,061.45-192,080.66-44,950.41

Finding the Fourth Proportional to 128,061.45, 192,080.66 and 44,950.41

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Solution

The fourth proportional to 128,061.45, 192,080.66 and 44,950.41 is: 67,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,061.45 : 192,080.66 = 44,950.41 : x
  2. Step 2: Convert to fraction form
    128,061.45/192,080.66 = 44,950.41/x
  3. Step 3: Cross multiply
    128,061.45x = 192,080.66 × 44,950.41
  4. Step 4: Simplify right side
    128,061.45x = 8,634,104,195.32
  5. Step 5: Solve for x
    x = 8,634,104,195.32/128,061.45
  6. Step 6: Final answer
    x = 67,421.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.