Home / 247,899.06-342,114.78-140,503.86

Finding the Fourth Proportional to 247,899.06, 342,114.78 and 140,503.86

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Solution

The fourth proportional to 247,899.06, 342,114.78 and 140,503.86 is: 193,903.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,899.06 : 342,114.78 = 140,503.86 : x
  2. Step 2: Convert to fraction form
    247,899.06/342,114.78 = 140,503.86/x
  3. Step 3: Cross multiply
    247,899.06x = 342,114.78 × 140,503.86
  4. Step 4: Simplify right side
    247,899.06x = 48,068,447,153.05
  5. Step 5: Solve for x
    x = 48,068,447,153.05/247,899.06
  6. Step 6: Final answer
    x = 193,903.31

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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.