Home / 109,047.25-163,570.88-29,085.47

Finding the Fourth Proportional to 109,047.25, 163,570.88 and 29,085.47

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Solution

The fourth proportional to 109,047.25, 163,570.88 and 29,085.47 is: 43,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,047.25 : 163,570.88 = 29,085.47 : x
  2. Step 2: Convert to fraction form
    109,047.25/163,570.88 = 29,085.47/x
  3. Step 3: Cross multiply
    109,047.25x = 163,570.88 × 29,085.47
  4. Step 4: Simplify right side
    109,047.25x = 4,757,535,923.11
  5. Step 5: Solve for x
    x = 4,757,535,923.11/109,047.25
  6. Step 6: Final answer
    x = 43,628.21

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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.