Home / 109,222.72-163,873.54-38,155.86

Finding the Fourth Proportional to 109,222.72, 163,873.54 and 38,155.86

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Solution

The fourth proportional to 109,222.72, 163,873.54 and 38,155.86 is: 57,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,222.72 : 163,873.54 = 38,155.86 : x
  2. Step 2: Convert to fraction form
    109,222.72/163,873.54 = 38,155.86/x
  3. Step 3: Cross multiply
    109,222.72x = 163,873.54 × 38,155.86
  4. Step 4: Simplify right side
    109,222.72x = 6,252,735,849.94
  5. Step 5: Solve for x
    x = 6,252,735,849.94/109,222.72
  6. Step 6: Final answer
    x = 57,247.57

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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.