Home / 248,536.40-342,980.68-135,359.76

Finding the Fourth Proportional to 248,536.40, 342,980.68 and 135,359.76

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Solution

The fourth proportional to 248,536.40, 342,980.68 and 135,359.76 is: 186,796.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,536.40 : 342,980.68 = 135,359.76 : x
  2. Step 2: Convert to fraction form
    248,536.40/342,980.68 = 135,359.76/x
  3. Step 3: Cross multiply
    248,536.40x = 342,980.68 × 135,359.76
  4. Step 4: Simplify right side
    248,536.40x = 46,425,782,529.44
  5. Step 5: Solve for x
    x = 46,425,782,529.44/248,536.40
  6. Step 6: Final answer
    x = 186,796.71

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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.