Home / 131,923.45-182,045.37-84,171.52

Finding the Fourth Proportional to 131,923.45, 182,045.37 and 84,171.52

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Solution

The fourth proportional to 131,923.45, 182,045.37 and 84,171.52 is: 116,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,923.45 : 182,045.37 = 84,171.52 : x
  2. Step 2: Convert to fraction form
    131,923.45/182,045.37 = 84,171.52/x
  3. Step 3: Cross multiply
    131,923.45x = 182,045.37 × 84,171.52
  4. Step 4: Simplify right side
    131,923.45x = 15,323,035,501.86
  5. Step 5: Solve for x
    x = 15,323,035,501.86/131,923.45
  6. Step 6: Final answer
    x = 116,150.96

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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.