Home / 127,669.35-191,526.84-43,425.21

Finding the Fourth Proportional to 127,669.35, 191,526.84 and 43,425.21

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Solution

The fourth proportional to 127,669.35, 191,526.84 and 43,425.21 is: 65,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,669.35 : 191,526.84 = 43,425.21 : x
  2. Step 2: Convert to fraction form
    127,669.35/191,526.84 = 43,425.21/x
  3. Step 3: Cross multiply
    127,669.35x = 191,526.84 × 43,425.21
  4. Step 4: Simplify right side
    127,669.35x = 8,317,093,247.64
  5. Step 5: Solve for x
    x = 8,317,093,247.64/127,669.35
  6. Step 6: Final answer
    x = 65,145.58

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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.