Home / 131,832.58-181,928.60-71,402.98

Finding the Fourth Proportional to 131,832.58, 181,928.60 and 71,402.98

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Solution

The fourth proportional to 131,832.58, 181,928.60 and 71,402.98 is: 98,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,832.58 : 181,928.60 = 71,402.98 : x
  2. Step 2: Convert to fraction form
    131,832.58/181,928.60 = 71,402.98/x
  3. Step 3: Cross multiply
    131,832.58x = 181,928.60 × 71,402.98
  4. Step 4: Simplify right side
    131,832.58x = 12,990,244,187.23
  5. Step 5: Solve for x
    x = 12,990,244,187.23/131,832.58
  6. Step 6: Final answer
    x = 98,535.92

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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.