Home / 112,146.67-154,760.46-61,159.81

Finding the Fourth Proportional to 112,146.67, 154,760.46 and 61,159.81

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Solution

The fourth proportional to 112,146.67, 154,760.46 and 61,159.81 is: 84,399.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,146.67 : 154,760.46 = 61,159.81 : x
  2. Step 2: Convert to fraction form
    112,146.67/154,760.46 = 61,159.81/x
  3. Step 3: Cross multiply
    112,146.67x = 154,760.46 × 61,159.81
  4. Step 4: Simplify right side
    112,146.67x = 9,465,120,329.11
  5. Step 5: Solve for x
    x = 9,465,120,329.11/112,146.67
  6. Step 6: Final answer
    x = 84,399.48

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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.