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Finding the Fourth Proportional to 119,648.70, 179,410.17 and 53,060.04

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Solution

The fourth proportional to 119,648.70, 179,410.17 and 53,060.04 is: 79,562.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,648.70 : 179,410.17 = 53,060.04 : x
  2. Step 2: Convert to fraction form
    119,648.70/179,410.17 = 53,060.04/x
  3. Step 3: Cross multiply
    119,648.70x = 179,410.17 × 53,060.04
  4. Step 4: Simplify right side
    119,648.70x = 9,519,510,796.61
  5. Step 5: Solve for x
    x = 9,519,510,796.61/119,648.70
  6. Step 6: Final answer
    x = 79,562.17

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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.