Home / 129,851.07-179,194.64-73,267.71

Finding the Fourth Proportional to 129,851.07, 179,194.64 and 73,267.71

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Solution

The fourth proportional to 129,851.07, 179,194.64 and 73,267.71 is: 101,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,851.07 : 179,194.64 = 73,267.71 : x
  2. Step 2: Convert to fraction form
    129,851.07/179,194.64 = 73,267.71/x
  3. Step 3: Cross multiply
    129,851.07x = 179,194.64 × 73,267.71
  4. Step 4: Simplify right side
    129,851.07x = 13,129,180,917.07
  5. Step 5: Solve for x
    x = 13,129,180,917.07/129,851.07
  6. Step 6: Final answer
    x = 101,109.53

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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.