Home / 155,027.86-213,961.84-94,633.65

Finding the Fourth Proportional to 155,027.86, 213,961.84 and 94,633.65

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Solution

The fourth proportional to 155,027.86, 213,961.84 and 94,633.65 is: 130,608.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,027.86 : 213,961.84 = 94,633.65 : x
  2. Step 2: Convert to fraction form
    155,027.86/213,961.84 = 94,633.65/x
  3. Step 3: Cross multiply
    155,027.86x = 213,961.84 × 94,633.65
  4. Step 4: Simplify right side
    155,027.86x = 20,247,989,643.33
  5. Step 5: Solve for x
    x = 20,247,989,643.33/155,027.86
  6. Step 6: Final answer
    x = 130,608.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.