Home / 120,263.32-180,222.45-67,561.93

Finding the Fourth Proportional to 120,263.32, 180,222.45 and 67,561.93

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Solution

The fourth proportional to 120,263.32, 180,222.45 and 67,561.93 is: 101,245.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,263.32 : 180,222.45 = 67,561.93 : x
  2. Step 2: Convert to fraction form
    120,263.32/180,222.45 = 67,561.93/x
  3. Step 3: Cross multiply
    120,263.32x = 180,222.45 × 67,561.93
  4. Step 4: Simplify right side
    120,263.32x = 12,176,176,551.33
  5. Step 5: Solve for x
    x = 12,176,176,551.33/120,263.32
  6. Step 6: Final answer
    x = 101,245.97

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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.