Home / 131,827.48-197,739.57-31,988.50

Finding the Fourth Proportional to 131,827.48, 197,739.57 and 31,988.50

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Solution

The fourth proportional to 131,827.48, 197,739.57 and 31,988.50 is: 47,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,827.48 : 197,739.57 = 31,988.50 : x
  2. Step 2: Convert to fraction form
    131,827.48/197,739.57 = 31,988.50/x
  3. Step 3: Cross multiply
    131,827.48x = 197,739.57 × 31,988.50
  4. Step 4: Simplify right side
    131,827.48x = 6,325,392,234.95
  5. Step 5: Solve for x
    x = 6,325,392,234.95/131,827.48
  6. Step 6: Final answer
    x = 47,982.35

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1.5x scale

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.