Home / 109,359.90-164,039.85-39,230.10

Finding the Fourth Proportional to 109,359.90, 164,039.85 and 39,230.10

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Solution

The fourth proportional to 109,359.90, 164,039.85 and 39,230.10 is: 58,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,359.90 : 164,039.85 = 39,230.10 : x
  2. Step 2: Convert to fraction form
    109,359.90/164,039.85 = 39,230.10/x
  3. Step 3: Cross multiply
    109,359.90x = 164,039.85 × 39,230.10
  4. Step 4: Simplify right side
    109,359.90x = 6,435,299,719.49
  5. Step 5: Solve for x
    x = 6,435,299,719.49/109,359.90
  6. Step 6: Final answer
    x = 58,845.15

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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.