Home / 132,071.12-197,931.43-71,945.35

Finding the Fourth Proportional to 132,071.12, 197,931.43 and 71,945.35

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Solution

The fourth proportional to 132,071.12, 197,931.43 and 71,945.35 is: 107,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,071.12 : 197,931.43 = 71,945.35 : x
  2. Step 2: Convert to fraction form
    132,071.12/197,931.43 = 71,945.35/x
  3. Step 3: Cross multiply
    132,071.12x = 197,931.43 × 71,945.35
  4. Step 4: Simplify right side
    132,071.12x = 14,240,246,007.35
  5. Step 5: Solve for x
    x = 14,240,246,007.35/132,071.12
  6. Step 6: Final answer
    x = 107,822.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.