Home / 99,364.72-149,015.44-32,792.40

Finding the Fourth Proportional to 99,364.72, 149,015.44 and 32,792.40

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Solution

The fourth proportional to 99,364.72, 149,015.44 and 32,792.40 is: 49,178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,364.72 : 149,015.44 = 32,792.40 : x
  2. Step 2: Convert to fraction form
    99,364.72/149,015.44 = 32,792.40/x
  3. Step 3: Cross multiply
    99,364.72x = 149,015.44 × 32,792.40
  4. Step 4: Simplify right side
    99,364.72x = 4,886,573,914.66
  5. Step 5: Solve for x
    x = 4,886,573,914.66/99,364.72
  6. Step 6: Final answer
    x = 49,178.16

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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.