Home / 88,721.37-133,079.82-36,130.71

Finding the Fourth Proportional to 88,721.37, 133,079.82 and 36,130.71

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Solution

The fourth proportional to 88,721.37, 133,079.82 and 36,130.71 is: 54,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,721.37 : 133,079.82 = 36,130.71 : x
  2. Step 2: Convert to fraction form
    88,721.37/133,079.82 = 36,130.71/x
  3. Step 3: Cross multiply
    88,721.37x = 133,079.82 × 36,130.71
  4. Step 4: Simplify right side
    88,721.37x = 4,808,268,383.27
  5. Step 5: Solve for x
    x = 4,808,268,383.27/88,721.37
  6. Step 6: Final answer
    x = 54,195.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.