Home / 131,891.95-181,910.43-113,526.32

Finding the Fourth Proportional to 131,891.95, 181,910.43 and 113,526.32

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Solution

The fourth proportional to 131,891.95, 181,910.43 and 113,526.32 is: 156,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,891.95 : 181,910.43 = 113,526.32 : x
  2. Step 2: Convert to fraction form
    131,891.95/181,910.43 = 113,526.32/x
  3. Step 3: Cross multiply
    131,891.95x = 181,910.43 × 113,526.32
  4. Step 4: Simplify right side
    131,891.95x = 20,651,621,687.52
  5. Step 5: Solve for x
    x = 20,651,621,687.52/131,891.95
  6. Step 6: Final answer
    x = 156,579.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.