Home / 60,119.51-90,178.35-20,676.96

Finding the Fourth Proportional to 60,119.51, 90,178.35 and 20,676.96

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Solution

The fourth proportional to 60,119.51, 90,178.35 and 20,676.96 is: 31,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,119.51 : 90,178.35 = 20,676.96 : x
  2. Step 2: Convert to fraction form
    60,119.51/90,178.35 = 20,676.96/x
  3. Step 3: Cross multiply
    60,119.51x = 90,178.35 × 20,676.96
  4. Step 4: Simplify right side
    60,119.51x = 1,864,614,512.75
  5. Step 5: Solve for x
    x = 1,864,614,512.75/60,119.51
  6. Step 6: Final answer
    x = 31,015.13

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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.