Home / 166,825.83-230,219.85-90,345.05

Finding the Fourth Proportional to 166,825.83, 230,219.85 and 90,345.05

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Solution

The fourth proportional to 166,825.83, 230,219.85 and 90,345.05 is: 124,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,825.83 : 230,219.85 = 90,345.05 : x
  2. Step 2: Convert to fraction form
    166,825.83/230,219.85 = 90,345.05/x
  3. Step 3: Cross multiply
    166,825.83x = 230,219.85 × 90,345.05
  4. Step 4: Simplify right side
    166,825.83x = 20,799,223,910.26
  5. Step 5: Solve for x
    x = 20,799,223,910.26/166,825.83
  6. Step 6: Final answer
    x = 124,676.28

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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.