Home / 247,857.49-342,042.67-134,680.24

Finding the Fourth Proportional to 247,857.49, 342,042.67 and 134,680.24

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Solution

The fourth proportional to 247,857.49, 342,042.67 and 134,680.24 is: 185,858.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,857.49 : 342,042.67 = 134,680.24 : x
  2. Step 2: Convert to fraction form
    247,857.49/342,042.67 = 134,680.24/x
  3. Step 3: Cross multiply
    247,857.49x = 342,042.67 × 134,680.24
  4. Step 4: Simplify right side
    247,857.49x = 46,066,388,885.84
  5. Step 5: Solve for x
    x = 46,066,388,885.84/247,857.49
  6. Step 6: Final answer
    x = 185,858.37

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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.