Home / 131,576.93-181,577.19-72,642.24

Finding the Fourth Proportional to 131,576.93, 181,577.19 and 72,642.24

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Solution

The fourth proportional to 131,576.93, 181,577.19 and 72,642.24 is: 100,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,576.93 : 181,577.19 = 72,642.24 : x
  2. Step 2: Convert to fraction form
    131,576.93/181,577.19 = 72,642.24/x
  3. Step 3: Cross multiply
    131,576.93x = 181,577.19 × 72,642.24
  4. Step 4: Simplify right side
    131,576.93x = 13,190,173,814.51
  5. Step 5: Solve for x
    x = 13,190,173,814.51/131,576.93
  6. Step 6: Final answer
    x = 100,246.86

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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.