Home / 166,775.12-230,147.36-91,323.60

Finding the Fourth Proportional to 166,775.12, 230,147.36 and 91,323.60

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Solution

The fourth proportional to 166,775.12, 230,147.36 and 91,323.60 is: 126,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,775.12 : 230,147.36 = 91,323.60 : x
  2. Step 2: Convert to fraction form
    166,775.12/230,147.36 = 91,323.60/x
  3. Step 3: Cross multiply
    166,775.12x = 230,147.36 × 91,323.60
  4. Step 4: Simplify right side
    166,775.12x = 21,017,885,445.70
  5. Step 5: Solve for x
    x = 21,017,885,445.70/166,775.12
  6. Step 6: Final answer
    x = 126,025.31

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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.