Home / 103,103.28-154,508.04-60,991.92

Finding the Fourth Proportional to 103,103.28, 154,508.04 and 60,991.92

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Solution

The fourth proportional to 103,103.28, 154,508.04 and 60,991.92 is: 91,400.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,103.28 : 154,508.04 = 60,991.92 : x
  2. Step 2: Convert to fraction form
    103,103.28/154,508.04 = 60,991.92/x
  3. Step 3: Cross multiply
    103,103.28x = 154,508.04 × 60,991.92
  4. Step 4: Simplify right side
    103,103.28x = 9,423,742,015.04
  5. Step 5: Solve for x
    x = 9,423,742,015.04/103,103.28
  6. Step 6: Final answer
    x = 91,400.99

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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.