Home / 248,501.30-342,935.70-135,323.96

Finding the Fourth Proportional to 248,501.30, 342,935.70 and 135,323.96

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Solution

The fourth proportional to 248,501.30, 342,935.70 and 135,323.96 is: 186,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,501.30 : 342,935.70 = 135,323.96 : x
  2. Step 2: Convert to fraction form
    248,501.30/342,935.70 = 135,323.96/x
  3. Step 3: Cross multiply
    248,501.30x = 342,935.70 × 135,323.96
  4. Step 4: Simplify right side
    248,501.30x = 46,407,416,949.37
  5. Step 5: Solve for x
    x = 46,407,416,949.37/248,501.30
  6. Step 6: Final answer
    x = 186,749.19

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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.