Home / 129,919.47-179,287.51-73,333.23

Finding the Fourth Proportional to 129,919.47, 179,287.51 and 73,333.23

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Solution

The fourth proportional to 129,919.47, 179,287.51 and 73,333.23 is: 101,199.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,919.47 : 179,287.51 = 73,333.23 : x
  2. Step 2: Convert to fraction form
    129,919.47/179,287.51 = 73,333.23/x
  3. Step 3: Cross multiply
    129,919.47x = 179,287.51 × 73,333.23
  4. Step 4: Simplify right side
    129,919.47x = 13,147,732,206.96
  5. Step 5: Solve for x
    x = 13,147,732,206.96/129,919.47
  6. Step 6: Final answer
    x = 101,199.09

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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.