Home / 131,410.20-197,007.30-56,587.80

Finding the Fourth Proportional to 131,410.20, 197,007.30 and 56,587.80

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Solution

The fourth proportional to 131,410.20, 197,007.30 and 56,587.80 is: 84,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,410.20 : 197,007.30 = 56,587.80 : x
  2. Step 2: Convert to fraction form
    131,410.20/197,007.30 = 56,587.80/x
  3. Step 3: Cross multiply
    131,410.20x = 197,007.30 × 56,587.80
  4. Step 4: Simplify right side
    131,410.20x = 11,148,209,690.94
  5. Step 5: Solve for x
    x = 11,148,209,690.94/131,410.20
  6. Step 6: Final answer
    x = 84,835.19

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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.