Home / 109,373.78-164,077.07-39,269.50

Finding the Fourth Proportional to 109,373.78, 164,077.07 and 39,269.50

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Solution

The fourth proportional to 109,373.78, 164,077.07 and 39,269.50 is: 58,910.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,373.78 : 164,077.07 = 39,269.50 : x
  2. Step 2: Convert to fraction form
    109,373.78/164,077.07 = 39,269.50/x
  3. Step 3: Cross multiply
    109,373.78x = 164,077.07 × 39,269.50
  4. Step 4: Simplify right side
    109,373.78x = 6,443,224,500.37
  5. Step 5: Solve for x
    x = 6,443,224,500.37/109,373.78
  6. Step 6: Final answer
    x = 58,910.14

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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.