Home / 131,343.41-197,012.34-89,117.88

Finding the Fourth Proportional to 131,343.41, 197,012.34 and 89,117.88

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Solution

The fourth proportional to 131,343.41, 197,012.34 and 89,117.88 is: 133,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,343.41 : 197,012.34 = 89,117.88 : x
  2. Step 2: Convert to fraction form
    131,343.41/197,012.34 = 89,117.88/x
  3. Step 3: Cross multiply
    131,343.41x = 197,012.34 × 89,117.88
  4. Step 4: Simplify right side
    131,343.41x = 17,557,322,074.64
  5. Step 5: Solve for x
    x = 17,557,322,074.64/131,343.41
  6. Step 6: Final answer
    x = 133,674.94

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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.