Home / 123,941.16-185,910.26-45,054.72

Finding the Fourth Proportional to 123,941.16, 185,910.26 and 45,054.72

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Solution

The fourth proportional to 123,941.16, 185,910.26 and 45,054.72 is: 67,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,941.16 : 185,910.26 = 45,054.72 : x
  2. Step 2: Convert to fraction form
    123,941.16/185,910.26 = 45,054.72/x
  3. Step 3: Cross multiply
    123,941.16x = 185,910.26 × 45,054.72
  4. Step 4: Simplify right side
    123,941.16x = 8,376,134,484.15
  5. Step 5: Solve for x
    x = 8,376,134,484.15/123,941.16
  6. Step 6: Final answer
    x = 67,581.54

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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.