Home / 192,661.21-265,925.95-112,104.35

Finding the Fourth Proportional to 192,661.21, 265,925.95 and 112,104.35

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Solution

The fourth proportional to 192,661.21, 265,925.95 and 112,104.35 is: 154,735.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,661.21 : 265,925.95 = 112,104.35 : x
  2. Step 2: Convert to fraction form
    192,661.21/265,925.95 = 112,104.35/x
  3. Step 3: Cross multiply
    192,661.21x = 265,925.95 × 112,104.35
  4. Step 4: Simplify right side
    192,661.21x = 29,811,455,790.80
  5. Step 5: Solve for x
    x = 29,811,455,790.80/192,661.21
  6. Step 6: Final answer
    x = 154,735.12

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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.