Home / 276,106.29-414,160.02-76,427.25

Finding the Fourth Proportional to 276,106.29, 414,160.02 and 76,427.25

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Solution

The fourth proportional to 276,106.29, 414,160.02 and 76,427.25 is: 114,641.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,106.29 : 414,160.02 = 76,427.25 : x
  2. Step 2: Convert to fraction form
    276,106.29/414,160.02 = 76,427.25/x
  3. Step 3: Cross multiply
    276,106.29x = 414,160.02 × 76,427.25
  4. Step 4: Simplify right side
    276,106.29x = 31,653,111,388.55
  5. Step 5: Solve for x
    x = 31,653,111,388.55/276,106.29
  6. Step 6: Final answer
    x = 114,641.04

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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.