Home / 120,543.04-166,350.48-66,829.12

Finding the Fourth Proportional to 120,543.04, 166,350.48 and 66,829.12

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Solution

The fourth proportional to 120,543.04, 166,350.48 and 66,829.12 is: 92,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,543.04 : 166,350.48 = 66,829.12 : x
  2. Step 2: Convert to fraction form
    120,543.04/166,350.48 = 66,829.12/x
  3. Step 3: Cross multiply
    120,543.04x = 166,350.48 × 66,829.12
  4. Step 4: Simplify right side
    120,543.04x = 11,117,056,189.98
  5. Step 5: Solve for x
    x = 11,117,056,189.98/120,543.04
  6. Step 6: Final answer
    x = 92,224.79

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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.