Home / 109,287.03-163,675.40-84,127.44

Finding the Fourth Proportional to 109,287.03, 163,675.40 and 84,127.44

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Solution

The fourth proportional to 109,287.03, 163,675.40 and 84,127.44 is: 125,994.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,287.03 : 163,675.40 = 84,127.44 : x
  2. Step 2: Convert to fraction form
    109,287.03/163,675.40 = 84,127.44/x
  3. Step 3: Cross multiply
    109,287.03x = 163,675.40 × 84,127.44
  4. Step 4: Simplify right side
    109,287.03x = 13,769,591,972.34
  5. Step 5: Solve for x
    x = 13,769,591,972.34/109,287.03
  6. Step 6: Final answer
    x = 125,994.75

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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.