Home / 131,444.63-197,166.85-31,604.79

Finding the Fourth Proportional to 131,444.63, 197,166.85 and 31,604.79

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Solution

The fourth proportional to 131,444.63, 197,166.85 and 31,604.79 is: 47,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,444.63 : 197,166.85 = 31,604.79 : x
  2. Step 2: Convert to fraction form
    131,444.63/197,166.85 = 31,604.79/x
  3. Step 3: Cross multiply
    131,444.63x = 197,166.85 × 31,604.79
  4. Step 4: Simplify right side
    131,444.63x = 6,231,416,889.21
  5. Step 5: Solve for x
    x = 6,231,416,889.21/131,444.63
  6. Step 6: Final answer
    x = 47,407.16

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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.