Home / 207,945.64-286,951.62-118,515.88

Finding the Fourth Proportional to 207,945.64, 286,951.62 and 118,515.88

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Solution

The fourth proportional to 207,945.64, 286,951.62 and 118,515.88 is: 163,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,945.64 : 286,951.62 = 118,515.88 : x
  2. Step 2: Convert to fraction form
    207,945.64/286,951.62 = 118,515.88/x
  3. Step 3: Cross multiply
    207,945.64x = 286,951.62 × 118,515.88
  4. Step 4: Simplify right side
    207,945.64x = 34,008,323,761.73
  5. Step 5: Solve for x
    x = 34,008,323,761.73/207,945.64
  6. Step 6: Final answer
    x = 163,544.30

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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.