Home / 247,947.39-342,143.48-139,056.14

Finding the Fourth Proportional to 247,947.39, 342,143.48 and 139,056.14

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Solution

The fourth proportional to 247,947.39, 342,143.48 and 139,056.14 is: 191,884.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,947.39 : 342,143.48 = 139,056.14 : x
  2. Step 2: Convert to fraction form
    247,947.39/342,143.48 = 139,056.14/x
  3. Step 3: Cross multiply
    247,947.39x = 342,143.48 × 139,056.14
  4. Step 4: Simplify right side
    247,947.39x = 47,577,152,336.51
  5. Step 5: Solve for x
    x = 47,577,152,336.51/247,947.39
  6. Step 6: Final answer
    x = 191,884.06

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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.