Home / 199,396.67-275,160.69-118,782.44

Finding the Fourth Proportional to 199,396.67, 275,160.69 and 118,782.44

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Solution

The fourth proportional to 199,396.67, 275,160.69 and 118,782.44 is: 163,915.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,396.67 : 275,160.69 = 118,782.44 : x
  2. Step 2: Convert to fraction form
    199,396.67/275,160.69 = 118,782.44/x
  3. Step 3: Cross multiply
    199,396.67x = 275,160.69 × 118,782.44
  4. Step 4: Simplify right side
    199,396.67x = 32,684,256,774.48
  5. Step 5: Solve for x
    x = 32,684,256,774.48/199,396.67
  6. Step 6: Final answer
    x = 163,915.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.