Home / 129,749.32-179,053.74-73,160.32

Finding the Fourth Proportional to 129,749.32, 179,053.74 and 73,160.32

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Solution

The fourth proportional to 129,749.32, 179,053.74 and 73,160.32 is: 100,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,749.32 : 179,053.74 = 73,160.32 : x
  2. Step 2: Convert to fraction form
    129,749.32/179,053.74 = 73,160.32/x
  3. Step 3: Cross multiply
    129,749.32x = 179,053.74 × 73,160.32
  4. Step 4: Simplify right side
    129,749.32x = 13,099,628,915.60
  5. Step 5: Solve for x
    x = 13,099,628,915.60/129,749.32
  6. Step 6: Final answer
    x = 100,961.06

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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.