Home / 119,719.41-165,213.91-66,006.35

Finding the Fourth Proportional to 119,719.41, 165,213.91 and 66,006.35

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Solution

The fourth proportional to 119,719.41, 165,213.91 and 66,006.35 is: 91,089.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,719.41 : 165,213.91 = 66,006.35 : x
  2. Step 2: Convert to fraction form
    119,719.41/165,213.91 = 66,006.35/x
  3. Step 3: Cross multiply
    119,719.41x = 165,213.91 × 66,006.35
  4. Step 4: Simplify right side
    119,719.41x = 10,905,167,168.33
  5. Step 5: Solve for x
    x = 10,905,167,168.33/119,719.41
  6. Step 6: Final answer
    x = 91,089.38

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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.