Home / 199,915.06-299,570.04-87,532.42

Finding the Fourth Proportional to 199,915.06, 299,570.04 and 87,532.42

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Solution

The fourth proportional to 199,915.06, 299,570.04 and 87,532.42 is: 131,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,915.06 : 299,570.04 = 87,532.42 : x
  2. Step 2: Convert to fraction form
    199,915.06/299,570.04 = 87,532.42/x
  3. Step 3: Cross multiply
    199,915.06x = 299,570.04 × 87,532.42
  4. Step 4: Simplify right side
    199,915.06x = 26,222,090,560.70
  5. Step 5: Solve for x
    x = 26,222,090,560.70/199,915.06
  6. Step 6: Final answer
    x = 131,166.16

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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.