Home / 100,675.35-150,879.04-53,280.29

Finding the Fourth Proportional to 100,675.35, 150,879.04 and 53,280.29

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Solution

The fourth proportional to 100,675.35, 150,879.04 and 53,280.29 is: 79,849.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,675.35 : 150,879.04 = 53,280.29 : x
  2. Step 2: Convert to fraction form
    100,675.35/150,879.04 = 53,280.29/x
  3. Step 3: Cross multiply
    100,675.35x = 150,879.04 × 53,280.29
  4. Step 4: Simplify right side
    100,675.35x = 8,038,879,250.12
  5. Step 5: Solve for x
    x = 8,038,879,250.12/100,675.35
  6. Step 6: Final answer
    x = 79,849.53

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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.