Home / 107,428.60-161,094.30-48,233.80

Finding the Fourth Proportional to 107,428.60, 161,094.30 and 48,233.80

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Solution

The fourth proportional to 107,428.60, 161,094.30 and 48,233.80 is: 72,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,428.60 : 161,094.30 = 48,233.80 : x
  2. Step 2: Convert to fraction form
    107,428.60/161,094.30 = 48,233.80/x
  3. Step 3: Cross multiply
    107,428.60x = 161,094.30 × 48,233.80
  4. Step 4: Simplify right side
    107,428.60x = 7,770,190,247.34
  5. Step 5: Solve for x
    x = 7,770,190,247.34/107,428.60
  6. Step 6: Final answer
    x = 72,328.88

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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.