Home / 131,846.37-181,947.90-71,416.86

Finding the Fourth Proportional to 131,846.37, 181,947.90 and 71,416.86

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Solution

The fourth proportional to 131,846.37, 181,947.90 and 71,416.86 is: 98,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,846.37 : 181,947.90 = 71,416.86 : x
  2. Step 2: Convert to fraction form
    131,846.37/181,947.90 = 71,416.86/x
  3. Step 3: Cross multiply
    131,846.37x = 181,947.90 × 71,416.86
  4. Step 4: Simplify right side
    131,846.37x = 12,994,147,287.10
  5. Step 5: Solve for x
    x = 12,994,147,287.10/131,846.37
  6. Step 6: Final answer
    x = 98,555.22

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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.