Home / 119,853.51-165,398.33-66,140.08

Finding the Fourth Proportional to 119,853.51, 165,398.33 and 66,140.08

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Solution

The fourth proportional to 119,853.51, 165,398.33 and 66,140.08 is: 91,273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,853.51 : 165,398.33 = 66,140.08 : x
  2. Step 2: Convert to fraction form
    119,853.51/165,398.33 = 66,140.08/x
  3. Step 3: Cross multiply
    119,853.51x = 165,398.33 × 66,140.08
  4. Step 4: Simplify right side
    119,853.51x = 10,939,458,778.07
  5. Step 5: Solve for x
    x = 10,939,458,778.07/119,853.51
  6. Step 6: Final answer
    x = 91,273.58

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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.