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Finding the Fourth Proportional to 146,131.60, 218,808.60 and 93,254.80

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Solution

The fourth proportional to 146,131.60, 218,808.60 and 93,254.80 is: 139,634.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,131.60 : 218,808.60 = 93,254.80 : x
  2. Step 2: Convert to fraction form
    146,131.60/218,808.60 = 93,254.80/x
  3. Step 3: Cross multiply
    146,131.60x = 218,808.60 × 93,254.80
  4. Step 4: Simplify right side
    146,131.60x = 20,404,952,231.28
  5. Step 5: Solve for x
    x = 20,404,952,231.28/146,131.60
  6. Step 6: Final answer
    x = 139,634.08

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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.