Home / 133,231.41-199,985.54-89,166.09

Finding the Fourth Proportional to 133,231.41, 199,985.54 and 89,166.09

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Solution

The fourth proportional to 133,231.41, 199,985.54 and 89,166.09 is: 133,841.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,231.41 : 199,985.54 = 89,166.09 : x
  2. Step 2: Convert to fraction form
    133,231.41/199,985.54 = 89,166.09/x
  3. Step 3: Cross multiply
    133,231.41x = 199,985.54 × 89,166.09
  4. Step 4: Simplify right side
    133,231.41x = 17,831,928,212.51
  5. Step 5: Solve for x
    x = 17,831,928,212.51/133,231.41
  6. Step 6: Final answer
    x = 133,841.77

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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.