Home / 99,984.24-149,976.51-40,039.72

Finding the Fourth Proportional to 99,984.24, 149,976.51 and 40,039.72

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Solution

The fourth proportional to 99,984.24, 149,976.51 and 40,039.72 is: 60,059.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,984.24 : 149,976.51 = 40,039.72 : x
  2. Step 2: Convert to fraction form
    99,984.24/149,976.51 = 40,039.72/x
  3. Step 3: Cross multiply
    99,984.24x = 149,976.51 × 40,039.72
  4. Step 4: Simplify right side
    99,984.24x = 6,005,017,167.11
  5. Step 5: Solve for x
    x = 6,005,017,167.11/99,984.24
  6. Step 6: Final answer
    x = 60,059.64

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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.