Home / 131,611.37-181,623.15-71,182.08

Finding the Fourth Proportional to 131,611.37, 181,623.15 and 71,182.08

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Solution

The fourth proportional to 131,611.37, 181,623.15 and 71,182.08 is: 98,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,611.37 : 181,623.15 = 71,182.08 : x
  2. Step 2: Convert to fraction form
    131,611.37/181,623.15 = 71,182.08/x
  3. Step 3: Cross multiply
    131,611.37x = 181,623.15 × 71,182.08
  4. Step 4: Simplify right side
    131,611.37x = 12,928,313,593.15
  5. Step 5: Solve for x
    x = 12,928,313,593.15/131,611.37
  6. Step 6: Final answer
    x = 98,230.98

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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.