Home / 109,343.93-163,959.17-50,128.61

Finding the Fourth Proportional to 109,343.93, 163,959.17 and 50,128.61

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Solution

The fourth proportional to 109,343.93, 163,959.17 and 50,128.61 is: 75,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,343.93 : 163,959.17 = 50,128.61 : x
  2. Step 2: Convert to fraction form
    109,343.93/163,959.17 = 50,128.61/x
  3. Step 3: Cross multiply
    109,343.93x = 163,959.17 × 50,128.61
  4. Step 4: Simplify right side
    109,343.93x = 8,219,044,218.41
  5. Step 5: Solve for x
    x = 8,219,044,218.41/109,343.93
  6. Step 6: Final answer
    x = 75,166.90

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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.