Home / 86,161.14-129,162.06-46,207.89

Finding the Fourth Proportional to 86,161.14, 129,162.06 and 46,207.89

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Solution

The fourth proportional to 86,161.14, 129,162.06 and 46,207.89 is: 69,269.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,161.14 : 129,162.06 = 46,207.89 : x
  2. Step 2: Convert to fraction form
    86,161.14/129,162.06 = 46,207.89/x
  3. Step 3: Cross multiply
    86,161.14x = 129,162.06 × 46,207.89
  4. Step 4: Simplify right side
    86,161.14x = 5,968,306,428.98
  5. Step 5: Solve for x
    x = 5,968,306,428.98/86,161.14
  6. Step 6: Final answer
    x = 69,269.12

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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.