Home / 236,270.11-326,060.64-128,846.02

Finding the Fourth Proportional to 236,270.11, 326,060.64 and 128,846.02

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Solution

The fourth proportional to 236,270.11, 326,060.64 and 128,846.02 is: 177,811.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,270.11 : 326,060.64 = 128,846.02 : x
  2. Step 2: Convert to fraction form
    236,270.11/326,060.64 = 128,846.02/x
  3. Step 3: Cross multiply
    236,270.11x = 326,060.64 × 128,846.02
  4. Step 4: Simplify right side
    236,270.11x = 42,011,615,742.65
  5. Step 5: Solve for x
    x = 42,011,615,742.65/236,270.11
  6. Step 6: Final answer
    x = 177,811.81

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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.