Home / 131,620.41-197,430.21-42,873.71

Finding the Fourth Proportional to 131,620.41, 197,430.21 and 42,873.71

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Solution

The fourth proportional to 131,620.41, 197,430.21 and 42,873.71 is: 64,310.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,620.41 : 197,430.21 = 42,873.71 : x
  2. Step 2: Convert to fraction form
    131,620.41/197,430.21 = 42,873.71/x
  3. Step 3: Cross multiply
    131,620.41x = 197,430.21 × 42,873.71
  4. Step 4: Simplify right side
    131,620.41x = 8,464,564,581.63
  5. Step 5: Solve for x
    x = 8,464,564,581.63/131,620.41
  6. Step 6: Final answer
    x = 64,310.43

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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.