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Finding the Fourth Proportional to 114,428.20, 171,674.70 and 35,550.40

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Solution

The fourth proportional to 114,428.20, 171,674.70 and 35,550.40 is: 53,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,428.20 : 171,674.70 = 35,550.40 : x
  2. Step 2: Convert to fraction form
    114,428.20/171,674.70 = 35,550.40/x
  3. Step 3: Cross multiply
    114,428.20x = 171,674.70 × 35,550.40
  4. Step 4: Simplify right side
    114,428.20x = 6,103,104,254.88
  5. Step 5: Solve for x
    x = 6,103,104,254.88/114,428.20
  6. Step 6: Final answer
    x = 53,335.67

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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.