Home / 131,079.15-196,586.13-56,190.81

Finding the Fourth Proportional to 131,079.15, 196,586.13 and 56,190.81

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Solution

The fourth proportional to 131,079.15, 196,586.13 and 56,190.81 is: 84,272.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,079.15 : 196,586.13 = 56,190.81 : x
  2. Step 2: Convert to fraction form
    131,079.15/196,586.13 = 56,190.81/x
  3. Step 3: Cross multiply
    131,079.15x = 196,586.13 × 56,190.81
  4. Step 4: Simplify right side
    131,079.15x = 11,046,333,879.47
  5. Step 5: Solve for x
    x = 11,046,333,879.47/131,079.15
  6. Step 6: Final answer
    x = 84,272.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.