Home / 120,325.45-166,048.02-66,612.73

Finding the Fourth Proportional to 120,325.45, 166,048.02 and 66,612.73

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Solution

The fourth proportional to 120,325.45, 166,048.02 and 66,612.73 is: 91,924.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,325.45 : 166,048.02 = 66,612.73 : x
  2. Step 2: Convert to fraction form
    120,325.45/166,048.02 = 66,612.73/x
  3. Step 3: Cross multiply
    120,325.45x = 166,048.02 × 66,612.73
  4. Step 4: Simplify right side
    120,325.45x = 11,060,911,923.29
  5. Step 5: Solve for x
    x = 11,060,911,923.29/120,325.45
  6. Step 6: Final answer
    x = 91,924.96

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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.