Home / 120,845.19-181,286.21-61,648.57

Finding the Fourth Proportional to 120,845.19, 181,286.21 and 61,648.57

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Solution

The fourth proportional to 120,845.19, 181,286.21 and 61,648.57 is: 92,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,845.19 : 181,286.21 = 61,648.57 : x
  2. Step 2: Convert to fraction form
    120,845.19/181,286.21 = 61,648.57/x
  3. Step 3: Cross multiply
    120,845.19x = 181,286.21 × 61,648.57
  4. Step 4: Simplify right side
    120,845.19x = 11,176,035,607.22
  5. Step 5: Solve for x
    x = 11,176,035,607.22/120,845.19
  6. Step 6: Final answer
    x = 92,482.25

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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.