Home / 228,171.06-342,168.93-78,383.34

Finding the Fourth Proportional to 228,171.06, 342,168.93 and 78,383.34

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Solution

The fourth proportional to 228,171.06, 342,168.93 and 78,383.34 is: 117,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,171.06 : 342,168.93 = 78,383.34 : x
  2. Step 2: Convert to fraction form
    228,171.06/342,168.93 = 78,383.34/x
  3. Step 3: Cross multiply
    228,171.06x = 342,168.93 × 78,383.34
  4. Step 4: Simplify right side
    228,171.06x = 26,820,343,577.63
  5. Step 5: Solve for x
    x = 26,820,343,577.63/228,171.06
  6. Step 6: Final answer
    x = 117,544.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.