Home / 109,881.09-164,821.65-39,744

Finding the Fourth Proportional to 109,881.09, 164,821.65 and 39,744

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Solution

The fourth proportional to 109,881.09, 164,821.65 and 39,744 is: 59,616.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,881.09 : 164,821.65 = 39,744 : x
  2. Step 2: Convert to fraction form
    109,881.09/164,821.65 = 39,744/x
  3. Step 3: Cross multiply
    109,881.09x = 164,821.65 × 39,744
  4. Step 4: Simplify right side
    109,881.09x = 6,550,671,657.60
  5. Step 5: Solve for x
    x = 6,550,671,657.60/109,881.09
  6. Step 6: Final answer
    x = 59,616.01

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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.