Home / 163,511.92-245,135.60-51,134.32

Finding the Fourth Proportional to 163,511.92, 245,135.60 and 51,134.32

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Solution

The fourth proportional to 163,511.92, 245,135.60 and 51,134.32 is: 76,660.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,511.92 : 245,135.60 = 51,134.32 : x
  2. Step 2: Convert to fraction form
    163,511.92/245,135.60 = 51,134.32/x
  3. Step 3: Cross multiply
    163,511.92x = 245,135.60 × 51,134.32
  4. Step 4: Simplify right side
    163,511.92x = 12,534,842,213.79
  5. Step 5: Solve for x
    x = 12,534,842,213.79/163,511.92
  6. Step 6: Final answer
    x = 76,660.11

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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.