Home / 248,440.08-342,837-135,262.92

Finding the Fourth Proportional to 248,440.08, 342,837 and 135,262.92

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Solution

The fourth proportional to 248,440.08, 342,837 and 135,262.92 is: 186,657.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,440.08 : 342,837 = 135,262.92 : x
  2. Step 2: Convert to fraction form
    248,440.08/342,837 = 135,262.92/x
  3. Step 3: Cross multiply
    248,440.08x = 342,837 × 135,262.92
  4. Step 4: Simplify right side
    248,440.08x = 46,373,133,704.04
  5. Step 5: Solve for x
    x = 46,373,133,704.04/248,440.08
  6. Step 6: Final answer
    x = 186,657.22

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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.