Home / 131,768.40-197,671.48-42,999.96

Finding the Fourth Proportional to 131,768.40, 197,671.48 and 42,999.96

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Solution

The fourth proportional to 131,768.40, 197,671.48 and 42,999.96 is: 64,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,768.40 : 197,671.48 = 42,999.96 : x
  2. Step 2: Convert to fraction form
    131,768.40/197,671.48 = 42,999.96/x
  3. Step 3: Cross multiply
    131,768.40x = 197,671.48 × 42,999.96
  4. Step 4: Simplify right side
    131,768.40x = 8,499,865,733.14
  5. Step 5: Solve for x
    x = 8,499,865,733.14/131,768.40
  6. Step 6: Final answer
    x = 64,506.10

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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.