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Finding the Fourth Proportional to 100,016.40, 150,000.60 and 57,805.20

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Solution

The fourth proportional to 100,016.40, 150,000.60 and 57,805.20 is: 86,693.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,016.40 : 150,000.60 = 57,805.20 : x
  2. Step 2: Convert to fraction form
    100,016.40/150,000.60 = 57,805.20/x
  3. Step 3: Cross multiply
    100,016.40x = 150,000.60 × 57,805.20
  4. Step 4: Simplify right side
    100,016.40x = 8,670,814,683.12
  5. Step 5: Solve for x
    x = 8,670,814,683.12/100,016.40
  6. Step 6: Final answer
    x = 86,693.93

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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.