Home / 243,945.75-336,639.76-133,564.17

Finding the Fourth Proportional to 243,945.75, 336,639.76 and 133,564.17

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Solution

The fourth proportional to 243,945.75, 336,639.76 and 133,564.17 is: 184,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,945.75 : 336,639.76 = 133,564.17 : x
  2. Step 2: Convert to fraction form
    243,945.75/336,639.76 = 133,564.17/x
  3. Step 3: Cross multiply
    243,945.75x = 336,639.76 × 133,564.17
  4. Step 4: Simplify right side
    243,945.75x = 44,963,010,133.40
  5. Step 5: Solve for x
    x = 44,963,010,133.40/243,945.75
  6. Step 6: Final answer
    x = 184,315.61

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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.