Home / 141,427.32-195,170.34-76,897.20

Finding the Fourth Proportional to 141,427.32, 195,170.34 and 76,897.20

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Solution

The fourth proportional to 141,427.32, 195,170.34 and 76,897.20 is: 106,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,427.32 : 195,170.34 = 76,897.20 : x
  2. Step 2: Convert to fraction form
    141,427.32/195,170.34 = 76,897.20/x
  3. Step 3: Cross multiply
    141,427.32x = 195,170.34 × 76,897.20
  4. Step 4: Simplify right side
    141,427.32x = 15,008,052,669.05
  5. Step 5: Solve for x
    x = 15,008,052,669.05/141,427.32
  6. Step 6: Final answer
    x = 106,118.48

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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.