Home / 131,636.85-197,471.67-42,866.52

Finding the Fourth Proportional to 131,636.85, 197,471.67 and 42,866.52

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Solution

The fourth proportional to 131,636.85, 197,471.67 and 42,866.52 is: 64,305.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,636.85 : 197,471.67 = 42,866.52 : x
  2. Step 2: Convert to fraction form
    131,636.85/197,471.67 = 42,866.52/x
  3. Step 3: Cross multiply
    131,636.85x = 197,471.67 × 42,866.52
  4. Step 4: Simplify right side
    131,636.85x = 8,464,922,631.34
  5. Step 5: Solve for x
    x = 8,464,922,631.34/131,636.85
  6. Step 6: Final answer
    x = 64,305.12

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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.