Home / 120,178.55-180,213.15-64,004.24

Finding the Fourth Proportional to 120,178.55, 180,213.15 and 64,004.24

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Solution

The fourth proportional to 120,178.55, 180,213.15 and 64,004.24 is: 95,977.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,178.55 : 180,213.15 = 64,004.24 : x
  2. Step 2: Convert to fraction form
    120,178.55/180,213.15 = 64,004.24/x
  3. Step 3: Cross multiply
    120,178.55x = 180,213.15 × 64,004.24
  4. Step 4: Simplify right side
    120,178.55x = 11,534,405,703.76
  5. Step 5: Solve for x
    x = 11,534,405,703.76/120,178.55
  6. Step 6: Final answer
    x = 95,977.24

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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.