Home / 230,247.53-317,751.39-128,272.93

Finding the Fourth Proportional to 230,247.53, 317,751.39 and 128,272.93

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Solution

The fourth proportional to 230,247.53, 317,751.39 and 128,272.93 is: 177,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,247.53 : 317,751.39 = 128,272.93 : x
  2. Step 2: Convert to fraction form
    230,247.53/317,751.39 = 128,272.93/x
  3. Step 3: Cross multiply
    230,247.53x = 317,751.39 × 128,272.93
  4. Step 4: Simplify right side
    230,247.53x = 40,758,901,012.49
  5. Step 5: Solve for x
    x = 40,758,901,012.49/230,247.53
  6. Step 6: Final answer
    x = 177,022.10

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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.