Home / 131,305.68-197,002.08-52,398.72

Finding the Fourth Proportional to 131,305.68, 197,002.08 and 52,398.72

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Solution

The fourth proportional to 131,305.68, 197,002.08 and 52,398.72 is: 78,615.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,305.68 : 197,002.08 = 52,398.72 : x
  2. Step 2: Convert to fraction form
    131,305.68/197,002.08 = 52,398.72/x
  3. Step 3: Cross multiply
    131,305.68x = 197,002.08 × 52,398.72
  4. Step 4: Simplify right side
    131,305.68x = 10,322,656,829.34
  5. Step 5: Solve for x
    x = 10,322,656,829.34/131,305.68
  6. Step 6: Final answer
    x = 78,615.46

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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.