Home / 109,362.09-150,908.90-61,623.93

Finding the Fourth Proportional to 109,362.09, 150,908.90 and 61,623.93

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Solution

The fourth proportional to 109,362.09, 150,908.90 and 61,623.93 is: 85,034.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,362.09 : 150,908.90 = 61,623.93 : x
  2. Step 2: Convert to fraction form
    109,362.09/150,908.90 = 61,623.93/x
  3. Step 3: Cross multiply
    109,362.09x = 150,908.90 × 61,623.93
  4. Step 4: Simplify right side
    109,362.09x = 9,299,599,181.86
  5. Step 5: Solve for x
    x = 9,299,599,181.86/109,362.09
  6. Step 6: Final answer
    x = 85,034.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.