Home / 103,156.04-154,742.30-43,992.24

Finding the Fourth Proportional to 103,156.04, 154,742.30 and 43,992.24

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Solution

The fourth proportional to 103,156.04, 154,742.30 and 43,992.24 is: 65,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,156.04 : 154,742.30 = 43,992.24 : x
  2. Step 2: Convert to fraction form
    103,156.04/154,742.30 = 43,992.24/x
  3. Step 3: Cross multiply
    103,156.04x = 154,742.30 × 43,992.24
  4. Step 4: Simplify right side
    103,156.04x = 6,807,460,399.75
  5. Step 5: Solve for x
    x = 6,807,460,399.75/103,156.04
  6. Step 6: Final answer
    x = 65,991.87

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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.