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Finding the Fourth Proportional to 133,291.02, 199,085.32 and 120,621.14

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Solution

The fourth proportional to 133,291.02, 199,085.32 and 120,621.14 is: 180,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,291.02 : 199,085.32 = 120,621.14 : x
  2. Step 2: Convert to fraction form
    133,291.02/199,085.32 = 120,621.14/x
  3. Step 3: Cross multiply
    133,291.02x = 199,085.32 × 120,621.14
  4. Step 4: Simplify right side
    133,291.02x = 24,013,898,255.66
  5. Step 5: Solve for x
    x = 24,013,898,255.66/133,291.02
  6. Step 6: Final answer
    x = 180,161.41

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.