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Finding the Fourth Proportional to 114,004.60, 171,006.90 and 72,014.20

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Solution

The fourth proportional to 114,004.60, 171,006.90 and 72,014.20 is: 108,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,004.60 : 171,006.90 = 72,014.20 : x
  2. Step 2: Convert to fraction form
    114,004.60/171,006.90 = 72,014.20/x
  3. Step 3: Cross multiply
    114,004.60x = 171,006.90 × 72,014.20
  4. Step 4: Simplify right side
    114,004.60x = 12,314,925,097.98
  5. Step 5: Solve for x
    x = 12,314,925,097.98/114,004.60
  6. Step 6: Final answer
    x = 108,021.30

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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.