Home / 135,462.48-203,161-56,533.92

Finding the Fourth Proportional to 135,462.48, 203,161 and 56,533.92

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Solution

The fourth proportional to 135,462.48, 203,161 and 56,533.92 is: 84,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,462.48 : 203,161 = 56,533.92 : x
  2. Step 2: Convert to fraction form
    135,462.48/203,161 = 56,533.92/x
  3. Step 3: Cross multiply
    135,462.48x = 203,161 × 56,533.92
  4. Step 4: Simplify right side
    135,462.48x = 11,485,487,721.12
  5. Step 5: Solve for x
    x = 11,485,487,721.12/135,462.48
  6. Step 6: Final answer
    x = 84,787.22

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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.