Home / 120,177.55-180,211.65-64,003.24

Finding the Fourth Proportional to 120,177.55, 180,211.65 and 64,003.24

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Solution

The fourth proportional to 120,177.55, 180,211.65 and 64,003.24 is: 95,975.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,177.55 : 180,211.65 = 64,003.24 : x
  2. Step 2: Convert to fraction form
    120,177.55/180,211.65 = 64,003.24/x
  3. Step 3: Cross multiply
    120,177.55x = 180,211.65 × 64,003.24
  4. Step 4: Simplify right side
    120,177.55x = 11,534,129,485.75
  5. Step 5: Solve for x
    x = 11,534,129,485.75/120,177.55
  6. Step 6: Final answer
    x = 95,975.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.