Home / 134,834.20-186,063.32-74,404.68

Finding the Fourth Proportional to 134,834.20, 186,063.32 and 74,404.68

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Solution

The fourth proportional to 134,834.20, 186,063.32 and 74,404.68 is: 102,674.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,834.20 : 186,063.32 = 74,404.68 : x
  2. Step 2: Convert to fraction form
    134,834.20/186,063.32 = 74,404.68/x
  3. Step 3: Cross multiply
    134,834.20x = 186,063.32 × 74,404.68
  4. Step 4: Simplify right side
    134,834.20x = 13,843,981,784.34
  5. Step 5: Solve for x
    x = 13,843,981,784.34/134,834.20
  6. Step 6: Final answer
    x = 102,674.11

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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.