Home / 166,258.75-229,437.08-90,807.43

Finding the Fourth Proportional to 166,258.75, 229,437.08 and 90,807.43

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Solution

The fourth proportional to 166,258.75, 229,437.08 and 90,807.43 is: 125,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,258.75 : 229,437.08 = 90,807.43 : x
  2. Step 2: Convert to fraction form
    166,258.75/229,437.08 = 90,807.43/x
  3. Step 3: Cross multiply
    166,258.75x = 229,437.08 × 90,807.43
  4. Step 4: Simplify right side
    166,258.75x = 20,834,591,127.47
  5. Step 5: Solve for x
    x = 20,834,591,127.47/166,258.75
  6. Step 6: Final answer
    x = 125,314.25

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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.