Home / 247,965.55-342,188.67-139,069.87

Finding the Fourth Proportional to 247,965.55, 342,188.67 and 139,069.87

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Solution

The fourth proportional to 247,965.55, 342,188.67 and 139,069.87 is: 191,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,965.55 : 342,188.67 = 139,069.87 : x
  2. Step 2: Convert to fraction form
    247,965.55/342,188.67 = 139,069.87/x
  3. Step 3: Cross multiply
    247,965.55x = 342,188.67 × 139,069.87
  4. Step 4: Simplify right side
    247,965.55x = 47,588,133,270.09
  5. Step 5: Solve for x
    x = 47,588,133,270.09/247,965.55
  6. Step 6: Final answer
    x = 191,914.29

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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.