Home / 515,171.18-772,669.28-136,096.04

Finding the Fourth Proportional to 515,171.18, 772,669.28 and 136,096.04

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Solution

The fourth proportional to 515,171.18, 772,669.28 and 136,096.04 is: 204,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,171.18 : 772,669.28 = 136,096.04 : x
  2. Step 2: Convert to fraction form
    515,171.18/772,669.28 = 136,096.04/x
  3. Step 3: Cross multiply
    515,171.18x = 772,669.28 × 136,096.04
  4. Step 4: Simplify right side
    515,171.18x = 105,157,229,237.65
  5. Step 5: Solve for x
    x = 105,157,229,237.65/515,171.18
  6. Step 6: Final answer
    x = 204,120.95

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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.