Home / 197,392.46-272,081.67-154,295.80

Finding the Fourth Proportional to 197,392.46, 272,081.67 and 154,295.80

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Solution

The fourth proportional to 197,392.46, 272,081.67 and 154,295.80 is: 212,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,392.46 : 272,081.67 = 154,295.80 : x
  2. Step 2: Convert to fraction form
    197,392.46/272,081.67 = 154,295.80/x
  3. Step 3: Cross multiply
    197,392.46x = 272,081.67 × 154,295.80
  4. Step 4: Simplify right side
    197,392.46x = 41,981,057,679.17
  5. Step 5: Solve for x
    x = 41,981,057,679.17/197,392.46
  6. Step 6: Final answer
    x = 212,678.13

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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.