Home / 225,837.47-311,655.66-125,235.47

Finding the Fourth Proportional to 225,837.47, 311,655.66 and 125,235.47

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Solution

The fourth proportional to 225,837.47, 311,655.66 and 125,235.47 is: 172,824.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,837.47 : 311,655.66 = 125,235.47 : x
  2. Step 2: Convert to fraction form
    225,837.47/311,655.66 = 125,235.47/x
  3. Step 3: Cross multiply
    225,837.47x = 311,655.66 × 125,235.47
  4. Step 4: Simplify right side
    225,837.47x = 39,030,341,499.98
  5. Step 5: Solve for x
    x = 39,030,341,499.98/225,837.47
  6. Step 6: Final answer
    x = 172,824.92

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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.