Home / 131,350.13-197,006.72-42,604.40

Finding the Fourth Proportional to 131,350.13, 197,006.72 and 42,604.40

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Solution

The fourth proportional to 131,350.13, 197,006.72 and 42,604.40 is: 63,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,350.13 : 197,006.72 = 42,604.40 : x
  2. Step 2: Convert to fraction form
    131,350.13/197,006.72 = 42,604.40/x
  3. Step 3: Cross multiply
    131,350.13x = 197,006.72 × 42,604.40
  4. Step 4: Simplify right side
    131,350.13x = 8,393,353,700.60
  5. Step 5: Solve for x
    x = 8,393,353,700.60/131,350.13
  6. Step 6: Final answer
    x = 63,900.61

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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.