Home / 119,908.49-165,473.96-66,193.57

Finding the Fourth Proportional to 119,908.49, 165,473.96 and 66,193.57

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Solution

The fourth proportional to 119,908.49, 165,473.96 and 66,193.57 is: 91,347.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,908.49 : 165,473.96 = 66,193.57 : x
  2. Step 2: Convert to fraction form
    119,908.49/165,473.96 = 66,193.57/x
  3. Step 3: Cross multiply
    119,908.49x = 165,473.96 × 66,193.57
  4. Step 4: Simplify right side
    119,908.49x = 10,953,312,030.31
  5. Step 5: Solve for x
    x = 10,953,312,030.31/119,908.49
  6. Step 6: Final answer
    x = 91,347.26

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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.