Home / 225,756.71-311,554.11-135,095.43

Finding the Fourth Proportional to 225,756.71, 311,554.11 and 135,095.43

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Solution

The fourth proportional to 225,756.71, 311,554.11 and 135,095.43 is: 186,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,756.71 : 311,554.11 = 135,095.43 : x
  2. Step 2: Convert to fraction form
    225,756.71/311,554.11 = 135,095.43/x
  3. Step 3: Cross multiply
    225,756.71x = 311,554.11 × 135,095.43
  4. Step 4: Simplify right side
    225,756.71x = 42,089,536,458.72
  5. Step 5: Solve for x
    x = 42,089,536,458.72/225,756.71
  6. Step 6: Final answer
    x = 186,437.59

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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.