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Finding the Fourth Proportional to 114,571.56, 171,835.08 and 57,630.30

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Solution

The fourth proportional to 114,571.56, 171,835.08 and 57,630.30 is: 86,434.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,571.56 : 171,835.08 = 57,630.30 : x
  2. Step 2: Convert to fraction form
    114,571.56/171,835.08 = 57,630.30/x
  3. Step 3: Cross multiply
    114,571.56x = 171,835.08 × 57,630.30
  4. Step 4: Simplify right side
    114,571.56x = 9,902,907,210.92
  5. Step 5: Solve for x
    x = 9,902,907,210.92/114,571.56
  6. Step 6: Final answer
    x = 86,434.25

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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.