Home / 119,816.66-165,375.80-72,060.82

Finding the Fourth Proportional to 119,816.66, 165,375.80 and 72,060.82

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Solution

The fourth proportional to 119,816.66, 165,375.80 and 72,060.82 is: 99,461.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,816.66 : 165,375.80 = 72,060.82 : x
  2. Step 2: Convert to fraction form
    119,816.66/165,375.80 = 72,060.82/x
  3. Step 3: Cross multiply
    119,816.66x = 165,375.80 × 72,060.82
  4. Step 4: Simplify right side
    119,816.66x = 11,917,115,756.16
  5. Step 5: Solve for x
    x = 11,917,115,756.16/119,816.66
  6. Step 6: Final answer
    x = 99,461.26

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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.