Home / 155,432.24-214,504.37-91,768.67

Finding the Fourth Proportional to 155,432.24, 214,504.37 and 91,768.67

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Solution

The fourth proportional to 155,432.24, 214,504.37 and 91,768.67 is: 126,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,432.24 : 214,504.37 = 91,768.67 : x
  2. Step 2: Convert to fraction form
    155,432.24/214,504.37 = 91,768.67/x
  3. Step 3: Cross multiply
    155,432.24x = 214,504.37 × 91,768.67
  4. Step 4: Simplify right side
    155,432.24x = 19,684,779,212.72
  5. Step 5: Solve for x
    x = 19,684,779,212.72/155,432.24
  6. Step 6: Final answer
    x = 126,645.41

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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.