Home / 166,643.52-229,968-91,191.36

Finding the Fourth Proportional to 166,643.52, 229,968 and 91,191.36

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Solution

The fourth proportional to 166,643.52, 229,968 and 91,191.36 is: 125,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,643.52 : 229,968 = 91,191.36 : x
  2. Step 2: Convert to fraction form
    166,643.52/229,968 = 91,191.36/x
  3. Step 3: Cross multiply
    166,643.52x = 229,968 × 91,191.36
  4. Step 4: Simplify right side
    166,643.52x = 20,971,094,676.48
  5. Step 5: Solve for x
    x = 20,971,094,676.48/166,643.52
  6. Step 6: Final answer
    x = 125,844.05

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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.