Home / 119,805.69-165,332.88-66,092.55

Finding the Fourth Proportional to 119,805.69, 165,332.88 and 66,092.55

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Solution

The fourth proportional to 119,805.69, 165,332.88 and 66,092.55 is: 91,208.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,805.69 : 165,332.88 = 66,092.55 : x
  2. Step 2: Convert to fraction form
    119,805.69/165,332.88 = 66,092.55/x
  3. Step 3: Cross multiply
    119,805.69x = 165,332.88 × 66,092.55
  4. Step 4: Simplify right side
    119,805.69x = 10,927,271,638.04
  5. Step 5: Solve for x
    x = 10,927,271,638.04/119,805.69
  6. Step 6: Final answer
    x = 91,208.29

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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.