Home / 99,960.21-149,964.03-29,841.35

Finding the Fourth Proportional to 99,960.21, 149,964.03 and 29,841.35

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Solution

The fourth proportional to 99,960.21, 149,964.03 and 29,841.35 is: 44,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,960.21 : 149,964.03 = 29,841.35 : x
  2. Step 2: Convert to fraction form
    99,960.21/149,964.03 = 29,841.35/x
  3. Step 3: Cross multiply
    99,960.21x = 149,964.03 × 29,841.35
  4. Step 4: Simplify right side
    99,960.21x = 4,475,128,356.82
  5. Step 5: Solve for x
    x = 4,475,128,356.82/99,960.21
  6. Step 6: Final answer
    x = 44,769.10

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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.