Home / 137,322.08-205,740.86-120,264.76

Finding the Fourth Proportional to 137,322.08, 205,740.86 and 120,264.76

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Solution

The fourth proportional to 137,322.08, 205,740.86 and 120,264.76 is: 180,184.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,322.08 : 205,740.86 = 120,264.76 : x
  2. Step 2: Convert to fraction form
    137,322.08/205,740.86 = 120,264.76/x
  3. Step 3: Cross multiply
    137,322.08x = 205,740.86 × 120,264.76
  4. Step 4: Simplify right side
    137,322.08x = 24,743,375,150.09
  5. Step 5: Solve for x
    x = 24,743,375,150.09/137,322.08
  6. Step 6: Final answer
    x = 180,184.97

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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.