Home / 145,914.26-218,928.49-57,152.43

Finding the Fourth Proportional to 145,914.26, 218,928.49 and 57,152.43

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Solution

The fourth proportional to 145,914.26, 218,928.49 and 57,152.43 is: 85,751.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,914.26 : 218,928.49 = 57,152.43 : x
  2. Step 2: Convert to fraction form
    145,914.26/218,928.49 = 57,152.43/x
  3. Step 3: Cross multiply
    145,914.26x = 218,928.49 × 57,152.43
  4. Step 4: Simplify right side
    145,914.26x = 12,512,295,056.85
  5. Step 5: Solve for x
    x = 12,512,295,056.85/145,914.26
  6. Step 6: Final answer
    x = 85,751.01

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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.