Home / 104,839.14-144,667-61,233.06

Finding the Fourth Proportional to 104,839.14, 144,667 and 61,233.06

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Solution

The fourth proportional to 104,839.14, 144,667 and 61,233.06 is: 84,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,839.14 : 144,667 = 61,233.06 : x
  2. Step 2: Convert to fraction form
    104,839.14/144,667 = 61,233.06/x
  3. Step 3: Cross multiply
    104,839.14x = 144,667 × 61,233.06
  4. Step 4: Simplify right side
    104,839.14x = 8,858,403,091.02
  5. Step 5: Solve for x
    x = 8,858,403,091.02/104,839.14
  6. Step 6: Final answer
    x = 84,495.19

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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.