Home / 143,094.40-197,455.64-82,684.50

Finding the Fourth Proportional to 143,094.40, 197,455.64 and 82,684.50

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Solution

The fourth proportional to 143,094.40, 197,455.64 and 82,684.50 is: 114,096.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,094.40 : 197,455.64 = 82,684.50 : x
  2. Step 2: Convert to fraction form
    143,094.40/197,455.64 = 82,684.50/x
  3. Step 3: Cross multiply
    143,094.40x = 197,455.64 × 82,684.50
  4. Step 4: Simplify right side
    143,094.40x = 16,326,520,865.58
  5. Step 5: Solve for x
    x = 16,326,520,865.58/143,094.40
  6. Step 6: Final answer
    x = 114,096.16

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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.