Home / 158,995.14-219,402.96-91,012.64

Finding the Fourth Proportional to 158,995.14, 219,402.96 and 91,012.64

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Solution

The fourth proportional to 158,995.14, 219,402.96 and 91,012.64 is: 125,591.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,995.14 : 219,402.96 = 91,012.64 : x
  2. Step 2: Convert to fraction form
    158,995.14/219,402.96 = 91,012.64/x
  3. Step 3: Cross multiply
    158,995.14x = 219,402.96 × 91,012.64
  4. Step 4: Simplify right side
    158,995.14x = 19,968,442,613.41
  5. Step 5: Solve for x
    x = 19,968,442,613.41/158,995.14
  6. Step 6: Final answer
    x = 125,591.53

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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.