Home / 161,711.43-242,551.71-76,302.42

Finding the Fourth Proportional to 161,711.43, 242,551.71 and 76,302.42

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Solution

The fourth proportional to 161,711.43, 242,551.71 and 76,302.42 is: 114,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,711.43 : 242,551.71 = 76,302.42 : x
  2. Step 2: Convert to fraction form
    161,711.43/242,551.71 = 76,302.42/x
  3. Step 3: Cross multiply
    161,711.43x = 242,551.71 × 76,302.42
  4. Step 4: Simplify right side
    161,711.43x = 18,507,282,448.14
  5. Step 5: Solve for x
    x = 18,507,282,448.14/161,711.43
  6. Step 6: Final answer
    x = 114,446.35

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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.