Home / 131,774.02-181,845.94-71,344.17

Finding the Fourth Proportional to 131,774.02, 181,845.94 and 71,344.17

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Solution

The fourth proportional to 131,774.02, 181,845.94 and 71,344.17 is: 98,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,774.02 : 181,845.94 = 71,344.17 : x
  2. Step 2: Convert to fraction form
    131,774.02/181,845.94 = 71,344.17/x
  3. Step 3: Cross multiply
    131,774.02x = 181,845.94 × 71,344.17
  4. Step 4: Simplify right side
    131,774.02x = 12,973,647,657.17
  5. Step 5: Solve for x
    x = 12,973,647,657.17/131,774.02
  6. Step 6: Final answer
    x = 98,453.76

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1.5x scale

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.