Home / 146,239.22-219,327.14-85,408.83

Finding the Fourth Proportional to 146,239.22, 219,327.14 and 85,408.83

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Solution

The fourth proportional to 146,239.22, 219,327.14 and 85,408.83 is: 128,094.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,239.22 : 219,327.14 = 85,408.83 : x
  2. Step 2: Convert to fraction form
    146,239.22/219,327.14 = 85,408.83/x
  3. Step 3: Cross multiply
    146,239.22x = 219,327.14 × 85,408.83
  4. Step 4: Simplify right side
    146,239.22x = 18,732,474,628.17
  5. Step 5: Solve for x
    x = 18,732,474,628.17/146,239.22
  6. Step 6: Final answer
    x = 128,094.74

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1.5x scale

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.