Home / 104,789.81-157,089.89-38,214.36

Finding the Fourth Proportional to 104,789.81, 157,089.89 and 38,214.36

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Solution

The fourth proportional to 104,789.81, 157,089.89 and 38,214.36 is: 57,286.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,789.81 : 157,089.89 = 38,214.36 : x
  2. Step 2: Convert to fraction form
    104,789.81/157,089.89 = 38,214.36/x
  3. Step 3: Cross multiply
    104,789.81x = 157,089.89 × 38,214.36
  4. Step 4: Simplify right side
    104,789.81x = 6,003,089,417.75
  5. Step 5: Solve for x
    x = 6,003,089,417.75/104,789.81
  6. Step 6: Final answer
    x = 57,286.96

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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.