Home / 91,161.14-136,742.04-27,981.27

Finding the Fourth Proportional to 91,161.14, 136,742.04 and 27,981.27

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Solution

The fourth proportional to 91,161.14, 136,742.04 and 27,981.27 is: 41,972.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,161.14 : 136,742.04 = 27,981.27 : x
  2. Step 2: Convert to fraction form
    91,161.14/136,742.04 = 27,981.27/x
  3. Step 3: Cross multiply
    91,161.14x = 136,742.04 × 27,981.27
  4. Step 4: Simplify right side
    91,161.14x = 3,826,215,459.83
  5. Step 5: Solve for x
    x = 3,826,215,459.83/91,161.14
  6. Step 6: Final answer
    x = 41,972.00

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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.