Home / 194,946.12-269,043.73-118,447.58

Finding the Fourth Proportional to 194,946.12, 269,043.73 and 118,447.58

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Solution

The fourth proportional to 194,946.12, 269,043.73 and 118,447.58 is: 163,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,946.12 : 269,043.73 = 118,447.58 : x
  2. Step 2: Convert to fraction form
    194,946.12/269,043.73 = 118,447.58/x
  3. Step 3: Cross multiply
    194,946.12x = 269,043.73 × 118,447.58
  4. Step 4: Simplify right side
    194,946.12x = 31,867,579,109.16
  5. Step 5: Solve for x
    x = 31,867,579,109.16/194,946.12
  6. Step 6: Final answer
    x = 163,468.65

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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.