Home / 89,187.21-133,697.12-29,981.48

Finding the Fourth Proportional to 89,187.21, 133,697.12 and 29,981.48

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Solution

The fourth proportional to 89,187.21, 133,697.12 and 29,981.48 is: 44,944.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,187.21 : 133,697.12 = 29,981.48 : x
  2. Step 2: Convert to fraction form
    89,187.21/133,697.12 = 29,981.48/x
  3. Step 3: Cross multiply
    89,187.21x = 133,697.12 × 29,981.48
  4. Step 4: Simplify right side
    89,187.21x = 4,008,436,710.94
  5. Step 5: Solve for x
    x = 4,008,436,710.94/89,187.21
  6. Step 6: Final answer
    x = 44,944.08

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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.