Home / 243,085.42-364,667.10-102,845.26

Finding the Fourth Proportional to 243,085.42, 364,667.10 and 102,845.26

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Solution

The fourth proportional to 243,085.42, 364,667.10 and 102,845.26 is: 154,284.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,085.42 : 364,667.10 = 102,845.26 : x
  2. Step 2: Convert to fraction form
    243,085.42/364,667.10 = 102,845.26/x
  3. Step 3: Cross multiply
    243,085.42x = 364,667.10 × 102,845.26
  4. Step 4: Simplify right side
    243,085.42x = 37,504,282,712.95
  5. Step 5: Solve for x
    x = 37,504,282,712.95/243,085.42
  6. Step 6: Final answer
    x = 154,284.38

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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.