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Finding the Fourth Proportional to 114,403.60, 171,628.26 and 39,526.48

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Solution

The fourth proportional to 114,403.60, 171,628.26 and 39,526.48 is: 59,297.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,403.60 : 171,628.26 = 39,526.48 : x
  2. Step 2: Convert to fraction form
    114,403.60/171,628.26 = 39,526.48/x
  3. Step 3: Cross multiply
    114,403.60x = 171,628.26 × 39,526.48
  4. Step 4: Simplify right side
    114,403.60x = 6,783,860,986.32
  5. Step 5: Solve for x
    x = 6,783,860,986.32/114,403.60
  6. Step 6: Final answer
    x = 59,297.62

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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.