Home / 220,000.37-303,557.15-133,936.25

Finding the Fourth Proportional to 220,000.37, 303,557.15 and 133,936.25

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Solution

The fourth proportional to 220,000.37, 303,557.15 and 133,936.25 is: 184,805.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,000.37 : 303,557.15 = 133,936.25 : x
  2. Step 2: Convert to fraction form
    220,000.37/303,557.15 = 133,936.25/x
  3. Step 3: Cross multiply
    220,000.37x = 303,557.15 × 133,936.25
  4. Step 4: Simplify right side
    220,000.37x = 40,657,305,148.74
  5. Step 5: Solve for x
    x = 40,657,305,148.74/220,000.37
  6. Step 6: Final answer
    x = 184,805.63

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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.