Home / 120,168.24-180,359.28-64,054.68

Finding the Fourth Proportional to 120,168.24, 180,359.28 and 64,054.68

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Solution

The fourth proportional to 120,168.24, 180,359.28 and 64,054.68 is: 96,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,168.24 : 180,359.28 = 64,054.68 : x
  2. Step 2: Convert to fraction form
    120,168.24/180,359.28 = 64,054.68/x
  3. Step 3: Cross multiply
    120,168.24x = 180,359.28 × 64,054.68
  4. Step 4: Simplify right side
    120,168.24x = 11,552,855,965.43
  5. Step 5: Solve for x
    x = 11,552,855,965.43/120,168.24
  6. Step 6: Final answer
    x = 96,139.01

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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.