Home / 119,838.99-165,381.27-66,127.47

Finding the Fourth Proportional to 119,838.99, 165,381.27 and 66,127.47

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Solution

The fourth proportional to 119,838.99, 165,381.27 and 66,127.47 is: 91,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,838.99 : 165,381.27 = 66,127.47 : x
  2. Step 2: Convert to fraction form
    119,838.99/165,381.27 = 66,127.47/x
  3. Step 3: Cross multiply
    119,838.99x = 165,381.27 × 66,127.47
  4. Step 4: Simplify right side
    119,838.99x = 10,936,244,143.58
  5. Step 5: Solve for x
    x = 10,936,244,143.58/119,838.99
  6. Step 6: Final answer
    x = 91,257.81

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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.