Home / 142,530.08-196,712.37-82,088.96

Finding the Fourth Proportional to 142,530.08, 196,712.37 and 82,088.96

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Solution

The fourth proportional to 142,530.08, 196,712.37 and 82,088.96 is: 113,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,530.08 : 196,712.37 = 82,088.96 : x
  2. Step 2: Convert to fraction form
    142,530.08/196,712.37 = 82,088.96/x
  3. Step 3: Cross multiply
    142,530.08x = 196,712.37 × 82,088.96
  4. Step 4: Simplify right side
    142,530.08x = 16,147,912,888.87
  5. Step 5: Solve for x
    x = 16,147,912,888.87/142,530.08
  6. Step 6: Final answer
    x = 113,294.78

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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.