Home / 112,134.66-154,744.61-61,147.22

Finding the Fourth Proportional to 112,134.66, 154,744.61 and 61,147.22

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Solution

The fourth proportional to 112,134.66, 154,744.61 and 61,147.22 is: 84,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,134.66 : 154,744.61 = 61,147.22 : x
  2. Step 2: Convert to fraction form
    112,134.66/154,744.61 = 61,147.22/x
  3. Step 3: Cross multiply
    112,134.66x = 154,744.61 × 61,147.22
  4. Step 4: Simplify right side
    112,134.66x = 9,462,201,632.03
  5. Step 5: Solve for x
    x = 9,462,201,632.03/112,134.66
  6. Step 6: Final answer
    x = 84,382.49

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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.