Home / 131,921.49-182,060.75-80,258.74

Finding the Fourth Proportional to 131,921.49, 182,060.75 and 80,258.74

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Solution

The fourth proportional to 131,921.49, 182,060.75 and 80,258.74 is: 110,762.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,921.49 : 182,060.75 = 80,258.74 : x
  2. Step 2: Convert to fraction form
    131,921.49/182,060.75 = 80,258.74/x
  3. Step 3: Cross multiply
    131,921.49x = 182,060.75 × 80,258.74
  4. Step 4: Simplify right side
    131,921.49x = 14,611,965,287.50
  5. Step 5: Solve for x
    x = 14,611,965,287.50/131,921.49
  6. Step 6: Final answer
    x = 110,762.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.