Home / 129,735.39-179,034.53-73,146.36

Finding the Fourth Proportional to 129,735.39, 179,034.53 and 73,146.36

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Solution

The fourth proportional to 129,735.39, 179,034.53 and 73,146.36 is: 100,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,735.39 : 179,034.53 = 73,146.36 : x
  2. Step 2: Convert to fraction form
    129,735.39/179,034.53 = 73,146.36/x
  3. Step 3: Cross multiply
    129,735.39x = 179,034.53 × 73,146.36
  4. Step 4: Simplify right side
    129,735.39x = 13,095,723,818.08
  5. Step 5: Solve for x
    x = 13,095,723,818.08/129,735.39
  6. Step 6: Final answer
    x = 100,941.80

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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.