Home / 89,199.88-133,813.56-30,030.91

Finding the Fourth Proportional to 89,199.88, 133,813.56 and 30,030.91

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Solution

The fourth proportional to 89,199.88, 133,813.56 and 30,030.91 is: 45,050.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,199.88 : 133,813.56 = 30,030.91 : x
  2. Step 2: Convert to fraction form
    89,199.88/133,813.56 = 30,030.91/x
  3. Step 3: Cross multiply
    89,199.88x = 133,813.56 × 30,030.91
  4. Step 4: Simplify right side
    89,199.88x = 4,018,542,977.14
  5. Step 5: Solve for x
    x = 4,018,542,977.14/89,199.88
  6. Step 6: Final answer
    x = 45,050.99

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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.