Home / 120,895.12-181,343.09-42,010.03

Finding the Fourth Proportional to 120,895.12, 181,343.09 and 42,010.03

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Solution

The fourth proportional to 120,895.12, 181,343.09 and 42,010.03 is: 63,015.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,895.12 : 181,343.09 = 42,010.03 : x
  2. Step 2: Convert to fraction form
    120,895.12/181,343.09 = 42,010.03/x
  3. Step 3: Cross multiply
    120,895.12x = 181,343.09 × 42,010.03
  4. Step 4: Simplify right side
    120,895.12x = 7,618,228,651.19
  5. Step 5: Solve for x
    x = 7,618,228,651.19/120,895.12
  6. Step 6: Final answer
    x = 63,015.19

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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.