Home / 140,567.64-193,964.20-83,967

Finding the Fourth Proportional to 140,567.64, 193,964.20 and 83,967

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Solution

The fourth proportional to 140,567.64, 193,964.20 and 83,967 is: 115,863.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,567.64 : 193,964.20 = 83,967 : x
  2. Step 2: Convert to fraction form
    140,567.64/193,964.20 = 83,967/x
  3. Step 3: Cross multiply
    140,567.64x = 193,964.20 × 83,967
  4. Step 4: Simplify right side
    140,567.64x = 16,286,591,981.40
  5. Step 5: Solve for x
    x = 16,286,591,981.40/140,567.64
  6. Step 6: Final answer
    x = 115,863.02

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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.