Home / 112,033.78-154,605.86-61,732.78

Finding the Fourth Proportional to 112,033.78, 154,605.86 and 61,732.78

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Solution

The fourth proportional to 112,033.78, 154,605.86 and 61,732.78 is: 85,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,033.78 : 154,605.86 = 61,732.78 : x
  2. Step 2: Convert to fraction form
    112,033.78/154,605.86 = 61,732.78/x
  3. Step 3: Cross multiply
    112,033.78x = 154,605.86 × 61,732.78
  4. Step 4: Simplify right side
    112,033.78x = 9,544,249,233.43
  5. Step 5: Solve for x
    x = 9,544,249,233.43/112,033.78
  6. Step 6: Final answer
    x = 85,190.82

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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.