Home / 194,843.19-268,854.77-118,322.49

Finding the Fourth Proportional to 194,843.19, 268,854.77 and 118,322.49

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Solution

The fourth proportional to 194,843.19, 268,854.77 and 118,322.49 is: 163,267.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,843.19 : 268,854.77 = 118,322.49 : x
  2. Step 2: Convert to fraction form
    194,843.19/268,854.77 = 118,322.49/x
  3. Step 3: Cross multiply
    194,843.19x = 268,854.77 × 118,322.49
  4. Step 4: Simplify right side
    194,843.19x = 31,811,566,130.58
  5. Step 5: Solve for x
    x = 31,811,566,130.58/194,843.19
  6. Step 6: Final answer
    x = 163,267.53

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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.