Home / 131,217.57-181,035-73,845.27

Finding the Fourth Proportional to 131,217.57, 181,035 and 73,845.27

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Solution

The fourth proportional to 131,217.57, 181,035 and 73,845.27 is: 101,881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,217.57 : 181,035 = 73,845.27 : x
  2. Step 2: Convert to fraction form
    131,217.57/181,035 = 73,845.27/x
  3. Step 3: Cross multiply
    131,217.57x = 181,035 × 73,845.27
  4. Step 4: Simplify right side
    131,217.57x = 13,368,578,454.45
  5. Step 5: Solve for x
    x = 13,368,578,454.45/131,217.57
  6. Step 6: Final answer
    x = 101,881.01

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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.