Home / 129,828.16-179,171.22-73,238.32

Finding the Fourth Proportional to 129,828.16, 179,171.22 and 73,238.32

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Solution

The fourth proportional to 129,828.16, 179,171.22 and 73,238.32 is: 101,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,828.16 : 179,171.22 = 73,238.32 : x
  2. Step 2: Convert to fraction form
    129,828.16/179,171.22 = 73,238.32/x
  3. Step 3: Cross multiply
    129,828.16x = 179,171.22 × 73,238.32
  4. Step 4: Simplify right side
    129,828.16x = 13,122,199,145.15
  5. Step 5: Solve for x
    x = 13,122,199,145.15/129,828.16
  6. Step 6: Final answer
    x = 101,073.60

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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.