Home / 111,680.51-154,118.88-63,282.33

Finding the Fourth Proportional to 111,680.51, 154,118.88 and 63,282.33

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Solution

The fourth proportional to 111,680.51, 154,118.88 and 63,282.33 is: 87,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,680.51 : 154,118.88 = 63,282.33 : x
  2. Step 2: Convert to fraction form
    111,680.51/154,118.88 = 63,282.33/x
  3. Step 3: Cross multiply
    111,680.51x = 154,118.88 × 63,282.33
  4. Step 4: Simplify right side
    111,680.51x = 9,753,001,823.39
  5. Step 5: Solve for x
    x = 9,753,001,823.39/111,680.51
  6. Step 6: Final answer
    x = 87,329.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.