Home / 225,817.32-311,637.60-130,323.72

Finding the Fourth Proportional to 225,817.32, 311,637.60 and 130,323.72

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Solution

The fourth proportional to 225,817.32, 311,637.60 and 130,323.72 is: 179,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,817.32 : 311,637.60 = 130,323.72 : x
  2. Step 2: Convert to fraction form
    225,817.32/311,637.60 = 130,323.72/x
  3. Step 3: Cross multiply
    225,817.32x = 311,637.60 × 130,323.72
  4. Step 4: Simplify right side
    225,817.32x = 40,613,771,323.87
  5. Step 5: Solve for x
    x = 40,613,771,323.87/225,817.32
  6. Step 6: Final answer
    x = 179,852.33

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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.