Home / 144,145.24-198,927.06-79,623.40

Finding the Fourth Proportional to 144,145.24, 198,927.06 and 79,623.40

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Solution

The fourth proportional to 144,145.24, 198,927.06 and 79,623.40 is: 109,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,145.24 : 198,927.06 = 79,623.40 : x
  2. Step 2: Convert to fraction form
    144,145.24/198,927.06 = 79,623.40/x
  3. Step 3: Cross multiply
    144,145.24x = 198,927.06 × 79,623.40
  4. Step 4: Simplify right side
    144,145.24x = 15,839,248,869.20
  5. Step 5: Solve for x
    x = 15,839,248,869.20/144,145.24
  6. Step 6: Final answer
    x = 109,883.95

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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.