Home / 247,112.35-341,011.34-139,678.60

Finding the Fourth Proportional to 247,112.35, 341,011.34 and 139,678.60

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Solution

The fourth proportional to 247,112.35, 341,011.34 and 139,678.60 is: 192,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,112.35 : 341,011.34 = 139,678.60 : x
  2. Step 2: Convert to fraction form
    247,112.35/341,011.34 = 139,678.60/x
  3. Step 3: Cross multiply
    247,112.35x = 341,011.34 × 139,678.60
  4. Step 4: Simplify right side
    247,112.35x = 47,631,986,555.32
  5. Step 5: Solve for x
    x = 47,631,986,555.32/247,112.35
  6. Step 6: Final answer
    x = 192,754.37

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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.