Home / 220,946.64-331,463.28-87,802.08

Finding the Fourth Proportional to 220,946.64, 331,463.28 and 87,802.08

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Solution

The fourth proportional to 220,946.64, 331,463.28 and 87,802.08 is: 131,720.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,946.64 : 331,463.28 = 87,802.08 : x
  2. Step 2: Convert to fraction form
    220,946.64/331,463.28 = 87,802.08/x
  3. Step 3: Cross multiply
    220,946.64x = 331,463.28 × 87,802.08
  4. Step 4: Simplify right side
    220,946.64x = 29,103,165,427.62
  5. Step 5: Solve for x
    x = 29,103,165,427.62/220,946.64
  6. Step 6: Final answer
    x = 131,720.33

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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.