Home / 144,703.20-217,052.64-39,521.88

Finding the Fourth Proportional to 144,703.20, 217,052.64 and 39,521.88

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Solution

The fourth proportional to 144,703.20, 217,052.64 and 39,521.88 is: 59,282.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,703.20 : 217,052.64 = 39,521.88 : x
  2. Step 2: Convert to fraction form
    144,703.20/217,052.64 = 39,521.88/x
  3. Step 3: Cross multiply
    144,703.20x = 217,052.64 × 39,521.88
  4. Step 4: Simplify right side
    144,703.20x = 8,578,328,391.76
  5. Step 5: Solve for x
    x = 8,578,328,391.76/144,703.20
  6. Step 6: Final answer
    x = 59,282.23

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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.