Home / 142,096.66-196,094.99-78,434.44

Finding the Fourth Proportional to 142,096.66, 196,094.99 and 78,434.44

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Solution

The fourth proportional to 142,096.66, 196,094.99 and 78,434.44 is: 108,240.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,096.66 : 196,094.99 = 78,434.44 : x
  2. Step 2: Convert to fraction form
    142,096.66/196,094.99 = 78,434.44/x
  3. Step 3: Cross multiply
    142,096.66x = 196,094.99 × 78,434.44
  4. Step 4: Simplify right side
    142,096.66x = 15,380,600,727.46
  5. Step 5: Solve for x
    x = 15,380,600,727.46/142,096.66
  6. Step 6: Final answer
    x = 108,240.41

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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.