Home / 131,234.15-181,109.03-73,893.20

Finding the Fourth Proportional to 131,234.15, 181,109.03 and 73,893.20

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Solution

The fourth proportional to 131,234.15, 181,109.03 and 73,893.20 is: 101,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,234.15 : 181,109.03 = 73,893.20 : x
  2. Step 2: Convert to fraction form
    131,234.15/181,109.03 = 73,893.20/x
  3. Step 3: Cross multiply
    131,234.15x = 181,109.03 × 73,893.20
  4. Step 4: Simplify right side
    131,234.15x = 13,382,724,500.58
  5. Step 5: Solve for x
    x = 13,382,724,500.58/131,234.15
  6. Step 6: Final answer
    x = 101,975.93

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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.