Home / 131,740.32-197,641.92-42,993.99

Finding the Fourth Proportional to 131,740.32, 197,641.92 and 42,993.99

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Solution

The fourth proportional to 131,740.32, 197,641.92 and 42,993.99 is: 64,501.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,740.32 : 197,641.92 = 42,993.99 : x
  2. Step 2: Convert to fraction form
    131,740.32/197,641.92 = 42,993.99/x
  3. Step 3: Cross multiply
    131,740.32x = 197,641.92 × 42,993.99
  4. Step 4: Simplify right side
    131,740.32x = 8,497,414,732.06
  5. Step 5: Solve for x
    x = 8,497,414,732.06/131,740.32
  6. Step 6: Final answer
    x = 64,501.25

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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.