Home / 143,016.60-214,427.70-54,256.80

Finding the Fourth Proportional to 143,016.60, 214,427.70 and 54,256.80

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Solution

The fourth proportional to 143,016.60, 214,427.70 and 54,256.80 is: 81,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,016.60 : 214,427.70 = 54,256.80 : x
  2. Step 2: Convert to fraction form
    143,016.60/214,427.70 = 54,256.80/x
  3. Step 3: Cross multiply
    143,016.60x = 214,427.70 × 54,256.80
  4. Step 4: Simplify right side
    143,016.60x = 11,634,160,833.36
  5. Step 5: Solve for x
    x = 11,634,160,833.36/143,016.60
  6. Step 6: Final answer
    x = 81,348.32

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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.