Home / 109,122.65-163,636.25-55,054.06

Finding the Fourth Proportional to 109,122.65, 163,636.25 and 55,054.06

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Solution

The fourth proportional to 109,122.65, 163,636.25 and 55,054.06 is: 82,557.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,122.65 : 163,636.25 = 55,054.06 : x
  2. Step 2: Convert to fraction form
    109,122.65/163,636.25 = 55,054.06/x
  3. Step 3: Cross multiply
    109,122.65x = 163,636.25 × 55,054.06
  4. Step 4: Simplify right side
    109,122.65x = 9,008,839,925.68
  5. Step 5: Solve for x
    x = 9,008,839,925.68/109,122.65
  6. Step 6: Final answer
    x = 82,557.01

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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.