Home / 109,410.90-164,116.35-39,281.10

Finding the Fourth Proportional to 109,410.90, 164,116.35 and 39,281.10

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Solution

The fourth proportional to 109,410.90, 164,116.35 and 39,281.10 is: 58,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,410.90 : 164,116.35 = 39,281.10 : x
  2. Step 2: Convert to fraction form
    109,410.90/164,116.35 = 39,281.10/x
  3. Step 3: Cross multiply
    109,410.90x = 164,116.35 × 39,281.10
  4. Step 4: Simplify right side
    109,410.90x = 6,446,670,755.99
  5. Step 5: Solve for x
    x = 6,446,670,755.99/109,410.90
  6. Step 6: Final answer
    x = 58,921.65

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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.