Home / 119,888.58-165,434.46-66,170.13

Finding the Fourth Proportional to 119,888.58, 165,434.46 and 66,170.13

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Solution

The fourth proportional to 119,888.58, 165,434.46 and 66,170.13 is: 91,308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,888.58 : 165,434.46 = 66,170.13 : x
  2. Step 2: Convert to fraction form
    119,888.58/165,434.46 = 66,170.13/x
  3. Step 3: Cross multiply
    119,888.58x = 165,434.46 × 66,170.13
  4. Step 4: Simplify right side
    119,888.58x = 10,946,819,724.68
  5. Step 5: Solve for x
    x = 10,946,819,724.68/119,888.58
  6. Step 6: Final answer
    x = 91,308.28

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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.