Home / 120,895.62-181,343.84-42,010.53

Finding the Fourth Proportional to 120,895.62, 181,343.84 and 42,010.53

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Solution

The fourth proportional to 120,895.62, 181,343.84 and 42,010.53 is: 63,015.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,895.62 : 181,343.84 = 42,010.53 : x
  2. Step 2: Convert to fraction form
    120,895.62/181,343.84 = 42,010.53/x
  3. Step 3: Cross multiply
    120,895.62x = 181,343.84 × 42,010.53
  4. Step 4: Simplify right side
    120,895.62x = 7,618,350,620.58
  5. Step 5: Solve for x
    x = 7,618,350,620.58/120,895.62
  6. Step 6: Final answer
    x = 63,015.94

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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.