Home / 142,052.36-212,875.46-104,316.44

Finding the Fourth Proportional to 142,052.36, 212,875.46 and 104,316.44

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Solution

The fourth proportional to 142,052.36, 212,875.46 and 104,316.44 is: 156,325.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,052.36 : 212,875.46 = 104,316.44 : x
  2. Step 2: Convert to fraction form
    142,052.36/212,875.46 = 104,316.44/x
  3. Step 3: Cross multiply
    142,052.36x = 212,875.46 × 104,316.44
  4. Step 4: Simplify right side
    142,052.36x = 22,206,410,150.56
  5. Step 5: Solve for x
    x = 22,206,410,150.56/142,052.36
  6. Step 6: Final answer
    x = 156,325.53

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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.