Home / 131,815.50-197,682.36-47,564.70

Finding the Fourth Proportional to 131,815.50, 197,682.36 and 47,564.70

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Solution

The fourth proportional to 131,815.50, 197,682.36 and 47,564.70 is: 71,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,815.50 : 197,682.36 = 47,564.70 : x
  2. Step 2: Convert to fraction form
    131,815.50/197,682.36 = 47,564.70/x
  3. Step 3: Cross multiply
    131,815.50x = 197,682.36 × 47,564.70
  4. Step 4: Simplify right side
    131,815.50x = 9,402,702,148.69
  5. Step 5: Solve for x
    x = 9,402,702,148.69/131,815.50
  6. Step 6: Final answer
    x = 71,332.30

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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.