Home / 276,656.28-414,999.18-87,131.46

Finding the Fourth Proportional to 276,656.28, 414,999.18 and 87,131.46

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Solution

The fourth proportional to 276,656.28, 414,999.18 and 87,131.46 is: 130,701.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,656.28 : 414,999.18 = 87,131.46 : x
  2. Step 2: Convert to fraction form
    276,656.28/414,999.18 = 87,131.46/x
  3. Step 3: Cross multiply
    276,656.28x = 414,999.18 × 87,131.46
  4. Step 4: Simplify right side
    276,656.28x = 36,159,484,452.20
  5. Step 5: Solve for x
    x = 36,159,484,452.20/276,656.28
  6. Step 6: Final answer
    x = 130,701.84

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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.