Home / 147,915.24-204,141.01-83,396.90

Finding the Fourth Proportional to 147,915.24, 204,141.01 and 83,396.90

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Solution

The fourth proportional to 147,915.24, 204,141.01 and 83,396.90 is: 115,097.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,915.24 : 204,141.01 = 83,396.90 : x
  2. Step 2: Convert to fraction form
    147,915.24/204,141.01 = 83,396.90/x
  3. Step 3: Cross multiply
    147,915.24x = 204,141.01 × 83,396.90
  4. Step 4: Simplify right side
    147,915.24x = 17,024,727,753.25
  5. Step 5: Solve for x
    x = 17,024,727,753.25/147,915.24
  6. Step 6: Final answer
    x = 115,097.86

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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.