Home / 131,195.27-181,047.46-73,051.61

Finding the Fourth Proportional to 131,195.27, 181,047.46 and 73,051.61

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Solution

The fourth proportional to 131,195.27, 181,047.46 and 73,051.61 is: 100,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,195.27 : 181,047.46 = 73,051.61 : x
  2. Step 2: Convert to fraction form
    131,195.27/181,047.46 = 73,051.61/x
  3. Step 3: Cross multiply
    131,195.27x = 181,047.46 × 73,051.61
  4. Step 4: Simplify right side
    131,195.27x = 13,225,808,534.81
  5. Step 5: Solve for x
    x = 13,225,808,534.81/131,195.27
  6. Step 6: Final answer
    x = 100,810.10

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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.