Home / 120,753.37-181,203.77-76,318.93

Finding the Fourth Proportional to 120,753.37, 181,203.77 and 76,318.93

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Solution

The fourth proportional to 120,753.37, 181,203.77 and 76,318.93 is: 114,524.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,753.37 : 181,203.77 = 76,318.93 : x
  2. Step 2: Convert to fraction form
    120,753.37/181,203.77 = 76,318.93/x
  3. Step 3: Cross multiply
    120,753.37x = 181,203.77 × 76,318.93
  4. Step 4: Simplify right side
    120,753.37x = 13,829,277,838.37
  5. Step 5: Solve for x
    x = 13,829,277,838.37/120,753.37
  6. Step 6: Final answer
    x = 114,524.98

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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.