Home / 102,168.36-140,993.03-56,848.25

Finding the Fourth Proportional to 102,168.36, 140,993.03 and 56,848.25

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Solution

The fourth proportional to 102,168.36, 140,993.03 and 56,848.25 is: 78,450.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,168.36 : 140,993.03 = 56,848.25 : x
  2. Step 2: Convert to fraction form
    102,168.36/140,993.03 = 56,848.25/x
  3. Step 3: Cross multiply
    102,168.36x = 140,993.03 × 56,848.25
  4. Step 4: Simplify right side
    102,168.36x = 8,015,207,512.30
  5. Step 5: Solve for x
    x = 8,015,207,512.30/102,168.36
  6. Step 6: Final answer
    x = 78,450.98

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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.