Home / 131,384.24-197,105.16-42,646.64

Finding the Fourth Proportional to 131,384.24, 197,105.16 and 42,646.64

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Solution

The fourth proportional to 131,384.24, 197,105.16 and 42,646.64 is: 63,979.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,384.24 : 197,105.16 = 42,646.64 : x
  2. Step 2: Convert to fraction form
    131,384.24/197,105.16 = 42,646.64/x
  3. Step 3: Cross multiply
    131,384.24x = 197,105.16 × 42,646.64
  4. Step 4: Simplify right side
    131,384.24x = 8,405,872,800.66
  5. Step 5: Solve for x
    x = 8,405,872,800.66/131,384.24
  6. Step 6: Final answer
    x = 63,979.31

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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.