Home / 89,293.95-133,940.93-69,587.33

Finding the Fourth Proportional to 89,293.95, 133,940.93 and 69,587.33

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Solution

The fourth proportional to 89,293.95, 133,940.93 and 69,587.33 is: 104,380.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,293.95 : 133,940.93 = 69,587.33 : x
  2. Step 2: Convert to fraction form
    89,293.95/133,940.93 = 69,587.33/x
  3. Step 3: Cross multiply
    89,293.95x = 133,940.93 × 69,587.33
  4. Step 4: Simplify right side
    89,293.95x = 9,320,590,678.78
  5. Step 5: Solve for x
    x = 9,320,590,678.78/89,293.95
  6. Step 6: Final answer
    x = 104,380.99

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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.