Home / 109,930.48-164,784.69-52,920.65

Finding the Fourth Proportional to 109,930.48, 164,784.69 and 52,920.65

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Solution

The fourth proportional to 109,930.48, 164,784.69 and 52,920.65 is: 79,327.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,930.48 : 164,784.69 = 52,920.65 : x
  2. Step 2: Convert to fraction form
    109,930.48/164,784.69 = 52,920.65/x
  3. Step 3: Cross multiply
    109,930.48x = 164,784.69 × 52,920.65
  4. Step 4: Simplify right side
    109,930.48x = 8,720,512,904.85
  5. Step 5: Solve for x
    x = 8,720,512,904.85/109,930.48
  6. Step 6: Final answer
    x = 79,327.53

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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.