Home / 109,807.02-164,772.78-50,642.70

Finding the Fourth Proportional to 109,807.02, 164,772.78 and 50,642.70

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Solution

The fourth proportional to 109,807.02, 164,772.78 and 50,642.70 is: 75,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,807.02 : 164,772.78 = 50,642.70 : x
  2. Step 2: Convert to fraction form
    109,807.02/164,772.78 = 50,642.70/x
  3. Step 3: Cross multiply
    109,807.02x = 164,772.78 × 50,642.70
  4. Step 4: Simplify right side
    109,807.02x = 8,344,537,641.84
  5. Step 5: Solve for x
    x = 8,344,537,641.84/109,807.02
  6. Step 6: Final answer
    x = 75,992.76

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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.