Home / 109,036.72-163,577.04-38,914.20

Finding the Fourth Proportional to 109,036.72, 163,577.04 and 38,914.20

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Solution

The fourth proportional to 109,036.72, 163,577.04 and 38,914.20 is: 58,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,036.72 : 163,577.04 = 38,914.20 : x
  2. Step 2: Convert to fraction form
    109,036.72/163,577.04 = 38,914.20/x
  3. Step 3: Cross multiply
    109,036.72x = 163,577.04 × 38,914.20
  4. Step 4: Simplify right side
    109,036.72x = 6,365,469,649.97
  5. Step 5: Solve for x
    x = 6,365,469,649.97/109,036.72
  6. Step 6: Final answer
    x = 58,379.14

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1.5x scale

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.