Home / 102,182.29-140,931.68-66,383.83

Finding the Fourth Proportional to 102,182.29, 140,931.68 and 66,383.83

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Solution

The fourth proportional to 102,182.29, 140,931.68 and 66,383.83 is: 91,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,182.29 : 140,931.68 = 66,383.83 : x
  2. Step 2: Convert to fraction form
    102,182.29/140,931.68 = 66,383.83/x
  3. Step 3: Cross multiply
    102,182.29x = 140,931.68 × 66,383.83
  4. Step 4: Simplify right side
    102,182.29x = 9,355,584,354.82
  5. Step 5: Solve for x
    x = 9,355,584,354.82/102,182.29
  6. Step 6: Final answer
    x = 91,557.79

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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.