Home / 119,940.77-165,519.07-65,493.32

Finding the Fourth Proportional to 119,940.77, 165,519.07 and 65,493.32

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Solution

The fourth proportional to 119,940.77, 165,519.07 and 65,493.32 is: 90,381.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,940.77 : 165,519.07 = 65,493.32 : x
  2. Step 2: Convert to fraction form
    119,940.77/165,519.07 = 65,493.32/x
  3. Step 3: Cross multiply
    119,940.77x = 165,519.07 × 65,493.32
  4. Step 4: Simplify right side
    119,940.77x = 10,840,393,417.61
  5. Step 5: Solve for x
    x = 10,840,393,417.61/119,940.77
  6. Step 6: Final answer
    x = 90,381.22

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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.