Home / 91,173.51-136,821.38-32,009.36

Finding the Fourth Proportional to 91,173.51, 136,821.38 and 32,009.36

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Solution

The fourth proportional to 91,173.51, 136,821.38 and 32,009.36 is: 48,035.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,173.51 : 136,821.38 = 32,009.36 : x
  2. Step 2: Convert to fraction form
    91,173.51/136,821.38 = 32,009.36/x
  3. Step 3: Cross multiply
    91,173.51x = 136,821.38 × 32,009.36
  4. Step 4: Simplify right side
    91,173.51x = 4,379,563,963.96
  5. Step 5: Solve for x
    x = 4,379,563,963.96/91,173.51
  6. Step 6: Final answer
    x = 48,035.49

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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.