Home / 111,788.25-154,269.78-60,802.11

Finding the Fourth Proportional to 111,788.25, 154,269.78 and 60,802.11

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Solution

The fourth proportional to 111,788.25, 154,269.78 and 60,802.11 is: 83,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,788.25 : 154,269.78 = 60,802.11 : x
  2. Step 2: Convert to fraction form
    111,788.25/154,269.78 = 60,802.11/x
  3. Step 3: Cross multiply
    111,788.25x = 154,269.78 × 60,802.11
  4. Step 4: Simplify right side
    111,788.25x = 9,379,928,133.24
  5. Step 5: Solve for x
    x = 9,379,928,133.24/111,788.25
  6. Step 6: Final answer
    x = 83,908.00

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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.