Home / 133,387.36-200,051.28-39,880.96

Finding the Fourth Proportional to 133,387.36, 200,051.28 and 39,880.96

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Solution

The fourth proportional to 133,387.36, 200,051.28 and 39,880.96 is: 59,812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,387.36 : 200,051.28 = 39,880.96 : x
  2. Step 2: Convert to fraction form
    133,387.36/200,051.28 = 39,880.96/x
  3. Step 3: Cross multiply
    133,387.36x = 200,051.28 × 39,880.96
  4. Step 4: Simplify right side
    133,387.36x = 7,978,237,095.63
  5. Step 5: Solve for x
    x = 7,978,237,095.63/133,387.36
  6. Step 6: Final answer
    x = 59,812.54

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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.