Home / 139,983.08-193,098.65-96,987.74

Finding the Fourth Proportional to 139,983.08, 193,098.65 and 96,987.74

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Solution

The fourth proportional to 139,983.08, 193,098.65 and 96,987.74 is: 133,789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,983.08 : 193,098.65 = 96,987.74 : x
  2. Step 2: Convert to fraction form
    139,983.08/193,098.65 = 96,987.74/x
  3. Step 3: Cross multiply
    139,983.08x = 193,098.65 × 96,987.74
  4. Step 4: Simplify right side
    139,983.08x = 18,728,200,210.12
  5. Step 5: Solve for x
    x = 18,728,200,210.12/139,983.08
  6. Step 6: Final answer
    x = 133,789.03

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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.