Home / 123,928.25-171,015.50-70,212.22

Finding the Fourth Proportional to 123,928.25, 171,015.50 and 70,212.22

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Solution

The fourth proportional to 123,928.25, 171,015.50 and 70,212.22 is: 96,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,928.25 : 171,015.50 = 70,212.22 : x
  2. Step 2: Convert to fraction form
    123,928.25/171,015.50 = 70,212.22/x
  3. Step 3: Cross multiply
    123,928.25x = 171,015.50 × 70,212.22
  4. Step 4: Simplify right side
    123,928.25x = 12,007,377,657.40
  5. Step 5: Solve for x
    x = 12,007,377,657.40/123,928.25
  6. Step 6: Final answer
    x = 96,889.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.