Home / 131,152.41-180,983.93-74,562.57

Finding the Fourth Proportional to 131,152.41, 180,983.93 and 74,562.57

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Solution

The fourth proportional to 131,152.41, 180,983.93 and 74,562.57 is: 102,892.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,152.41 : 180,983.93 = 74,562.57 : x
  2. Step 2: Convert to fraction form
    131,152.41/180,983.93 = 74,562.57/x
  3. Step 3: Cross multiply
    131,152.41x = 180,983.93 × 74,562.57
  4. Step 4: Simplify right side
    131,152.41x = 13,494,626,576.69
  5. Step 5: Solve for x
    x = 13,494,626,576.69/131,152.41
  6. Step 6: Final answer
    x = 102,892.71

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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.