Home / 131,046.58-180,838.92-73,684.27

Finding the Fourth Proportional to 131,046.58, 180,838.92 and 73,684.27

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Solution

The fourth proportional to 131,046.58, 180,838.92 and 73,684.27 is: 101,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,046.58 : 180,838.92 = 73,684.27 : x
  2. Step 2: Convert to fraction form
    131,046.58/180,838.92 = 73,684.27/x
  3. Step 3: Cross multiply
    131,046.58x = 180,838.92 × 73,684.27
  4. Step 4: Simplify right side
    131,046.58x = 13,324,983,807.79
  5. Step 5: Solve for x
    x = 13,324,983,807.79/131,046.58
  6. Step 6: Final answer
    x = 101,681.28

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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.