Home / 112,631.45-168,947.03-51,835.59

Finding the Fourth Proportional to 112,631.45, 168,947.03 and 51,835.59

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Solution

The fourth proportional to 112,631.45, 168,947.03 and 51,835.59 is: 77,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,631.45 : 168,947.03 = 51,835.59 : x
  2. Step 2: Convert to fraction form
    112,631.45/168,947.03 = 51,835.59/x
  3. Step 3: Cross multiply
    112,631.45x = 168,947.03 × 51,835.59
  4. Step 4: Simplify right side
    112,631.45x = 8,757,469,108.39
  5. Step 5: Solve for x
    x = 8,757,469,108.39/112,631.45
  6. Step 6: Final answer
    x = 77,753.32

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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.