Home / 205,170.49-282,912.10-133,417.45

Finding the Fourth Proportional to 205,170.49, 282,912.10 and 133,417.45

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Solution

The fourth proportional to 205,170.49, 282,912.10 and 133,417.45 is: 183,970.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,170.49 : 282,912.10 = 133,417.45 : x
  2. Step 2: Convert to fraction form
    205,170.49/282,912.10 = 133,417.45/x
  3. Step 3: Cross multiply
    205,170.49x = 282,912.10 × 133,417.45
  4. Step 4: Simplify right side
    205,170.49x = 37,745,410,956.15
  5. Step 5: Solve for x
    x = 37,745,410,956.15/205,170.49
  6. Step 6: Final answer
    x = 183,970.95

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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.