Home / 129,749.27-179,054.01-73,160.64

Finding the Fourth Proportional to 129,749.27, 179,054.01 and 73,160.64

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Solution

The fourth proportional to 129,749.27, 179,054.01 and 73,160.64 is: 100,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,749.27 : 179,054.01 = 73,160.64 : x
  2. Step 2: Convert to fraction form
    129,749.27/179,054.01 = 73,160.64/x
  3. Step 3: Cross multiply
    129,749.27x = 179,054.01 × 73,160.64
  4. Step 4: Simplify right side
    129,749.27x = 13,099,705,966.17
  5. Step 5: Solve for x
    x = 13,099,705,966.17/129,749.27
  6. Step 6: Final answer
    x = 100,961.70

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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.