Home / 131,731.49-197,597.70-31,891.49

Finding the Fourth Proportional to 131,731.49, 197,597.70 and 31,891.49

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Solution

The fourth proportional to 131,731.49, 197,597.70 and 31,891.49 is: 47,837.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,731.49 : 197,597.70 = 31,891.49 : x
  2. Step 2: Convert to fraction form
    131,731.49/197,597.70 = 31,891.49/x
  3. Step 3: Cross multiply
    131,731.49x = 197,597.70 × 31,891.49
  4. Step 4: Simplify right side
    131,731.49x = 6,301,684,085.58
  5. Step 5: Solve for x
    x = 6,301,684,085.58/131,731.49
  6. Step 6: Final answer
    x = 47,837.34

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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.