Home / 120,461.04-166,234.05-66,745.86

Finding the Fourth Proportional to 120,461.04, 166,234.05 and 66,745.86

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Solution

The fourth proportional to 120,461.04, 166,234.05 and 66,745.86 is: 92,108.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,461.04 : 166,234.05 = 66,745.86 : x
  2. Step 2: Convert to fraction form
    120,461.04/166,234.05 = 66,745.86/x
  3. Step 3: Cross multiply
    120,461.04x = 166,234.05 × 66,745.86
  4. Step 4: Simplify right side
    120,461.04x = 11,095,434,628.53
  5. Step 5: Solve for x
    x = 11,095,434,628.53/120,461.04
  6. Step 6: Final answer
    x = 92,108.08

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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.