Home / 102,476.96-153,739.20-40,148

Finding the Fourth Proportional to 102,476.96, 153,739.20 and 40,148

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Solution

The fourth proportional to 102,476.96, 153,739.20 and 40,148 is: 60,231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,476.96 : 153,739.20 = 40,148 : x
  2. Step 2: Convert to fraction form
    102,476.96/153,739.20 = 40,148/x
  3. Step 3: Cross multiply
    102,476.96x = 153,739.20 × 40,148
  4. Step 4: Simplify right side
    102,476.96x = 6,172,321,401.60
  5. Step 5: Solve for x
    x = 6,172,321,401.60/102,476.96
  6. Step 6: Final answer
    x = 60,231.31

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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.