Home / 144,964.28-217,092.06-85,623.80

Finding the Fourth Proportional to 144,964.28, 217,092.06 and 85,623.80

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Solution

The fourth proportional to 144,964.28, 217,092.06 and 85,623.80 is: 128,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,964.28 : 217,092.06 = 85,623.80 : x
  2. Step 2: Convert to fraction form
    144,964.28/217,092.06 = 85,623.80/x
  3. Step 3: Cross multiply
    144,964.28x = 217,092.06 × 85,623.80
  4. Step 4: Simplify right side
    144,964.28x = 18,588,247,127.03
  5. Step 5: Solve for x
    x = 18,588,247,127.03/144,964.28
  6. Step 6: Final answer
    x = 128,226.40

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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.