Home / 109,315.64-163,992.12-50,156.36

Finding the Fourth Proportional to 109,315.64, 163,992.12 and 50,156.36

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Solution

The fourth proportional to 109,315.64, 163,992.12 and 50,156.36 is: 75,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,315.64 : 163,992.12 = 50,156.36 : x
  2. Step 2: Convert to fraction form
    109,315.64/163,992.12 = 50,156.36/x
  3. Step 3: Cross multiply
    109,315.64x = 163,992.12 × 50,156.36
  4. Step 4: Simplify right side
    109,315.64x = 8,225,247,807.88
  5. Step 5: Solve for x
    x = 8,225,247,807.88/109,315.64
  6. Step 6: Final answer
    x = 75,243.10

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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.