Home / 127,857.42-191,779.23-39,110.94

Finding the Fourth Proportional to 127,857.42, 191,779.23 and 39,110.94

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Solution

The fourth proportional to 127,857.42, 191,779.23 and 39,110.94 is: 58,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,857.42 : 191,779.23 = 39,110.94 : x
  2. Step 2: Convert to fraction form
    127,857.42/191,779.23 = 39,110.94/x
  3. Step 3: Cross multiply
    127,857.42x = 191,779.23 × 39,110.94
  4. Step 4: Simplify right side
    127,857.42x = 7,500,665,478.33
  5. Step 5: Solve for x
    x = 7,500,665,478.33/127,857.42
  6. Step 6: Final answer
    x = 58,664.29

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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.