Home / 144,939.78-217,161.81-113,337.63

Finding the Fourth Proportional to 144,939.78, 217,161.81 and 113,337.63

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Solution

The fourth proportional to 144,939.78, 217,161.81 and 113,337.63 is: 169,812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,939.78 : 217,161.81 = 113,337.63 : x
  2. Step 2: Convert to fraction form
    144,939.78/217,161.81 = 113,337.63/x
  3. Step 3: Cross multiply
    144,939.78x = 217,161.81 × 113,337.63
  4. Step 4: Simplify right side
    144,939.78x = 24,612,604,871.91
  5. Step 5: Solve for x
    x = 24,612,604,871.91/144,939.78
  6. Step 6: Final answer
    x = 169,812.63

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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.