Home / 123,210.36-184,721.58-102,085.56

Finding the Fourth Proportional to 123,210.36, 184,721.58 and 102,085.56

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Solution

The fourth proportional to 123,210.36, 184,721.58 and 102,085.56 is: 153,050.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,210.36 : 184,721.58 = 102,085.56 : x
  2. Step 2: Convert to fraction form
    123,210.36/184,721.58 = 102,085.56/x
  3. Step 3: Cross multiply
    123,210.36x = 184,721.58 × 102,085.56
  4. Step 4: Simplify right side
    123,210.36x = 18,857,405,938.38
  5. Step 5: Solve for x
    x = 18,857,405,938.38/123,210.36
  6. Step 6: Final answer
    x = 153,050.49

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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.