Home / 131,193.12-196,818.90-42,444.64

Finding the Fourth Proportional to 131,193.12, 196,818.90 and 42,444.64

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Solution

The fourth proportional to 131,193.12, 196,818.90 and 42,444.64 is: 63,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,193.12 : 196,818.90 = 42,444.64 : x
  2. Step 2: Convert to fraction form
    131,193.12/196,818.90 = 42,444.64/x
  3. Step 3: Cross multiply
    131,193.12x = 196,818.90 × 42,444.64
  4. Step 4: Simplify right side
    131,193.12x = 8,353,907,355.70
  5. Step 5: Solve for x
    x = 8,353,907,355.70/131,193.12
  6. Step 6: Final answer
    x = 63,676.41

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1.5x scale

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.