Home / 201,824.42-302,731.08-87,972.15

Finding the Fourth Proportional to 201,824.42, 302,731.08 and 87,972.15

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Solution

The fourth proportional to 201,824.42, 302,731.08 and 87,972.15 is: 131,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,824.42 : 302,731.08 = 87,972.15 : x
  2. Step 2: Convert to fraction form
    201,824.42/302,731.08 = 87,972.15/x
  3. Step 3: Cross multiply
    201,824.42x = 302,731.08 × 87,972.15
  4. Step 4: Simplify right side
    201,824.42x = 26,631,904,736.25
  5. Step 5: Solve for x
    x = 26,631,904,736.25/201,824.42
  6. Step 6: Final answer
    x = 131,955.81

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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.