Home / 119,802.38-165,326.82-66,090.74

Finding the Fourth Proportional to 119,802.38, 165,326.82 and 66,090.74

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Solution

The fourth proportional to 119,802.38, 165,326.82 and 66,090.74 is: 91,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,802.38 : 165,326.82 = 66,090.74 : x
  2. Step 2: Convert to fraction form
    119,802.38/165,326.82 = 66,090.74/x
  3. Step 3: Cross multiply
    119,802.38x = 165,326.82 × 66,090.74
  4. Step 4: Simplify right side
    119,802.38x = 10,926,571,875.65
  5. Step 5: Solve for x
    x = 10,926,571,875.65/119,802.38
  6. Step 6: Final answer
    x = 91,204.97

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1.5x scale

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.