Home / 166,850.79-230,254.37-90,370.05

Finding the Fourth Proportional to 166,850.79, 230,254.37 and 90,370.05

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Solution

The fourth proportional to 166,850.79, 230,254.37 and 90,370.05 is: 124,710.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,850.79 : 230,254.37 = 90,370.05 : x
  2. Step 2: Convert to fraction form
    166,850.79/230,254.37 = 90,370.05/x
  3. Step 3: Cross multiply
    166,850.79x = 230,254.37 × 90,370.05
  4. Step 4: Simplify right side
    166,850.79x = 20,808,098,929.62
  5. Step 5: Solve for x
    x = 20,808,098,929.62/166,850.79
  6. Step 6: Final answer
    x = 124,710.82

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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.