Home / 205,020.55-282,928.47-114,376.51

Finding the Fourth Proportional to 205,020.55, 282,928.47 and 114,376.51

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Solution

The fourth proportional to 205,020.55, 282,928.47 and 114,376.51 is: 157,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,020.55 : 282,928.47 = 114,376.51 : x
  2. Step 2: Convert to fraction form
    205,020.55/282,928.47 = 114,376.51/x
  3. Step 3: Cross multiply
    205,020.55x = 282,928.47 × 114,376.51
  4. Step 4: Simplify right side
    205,020.55x = 32,360,370,978.24
  5. Step 5: Solve for x
    x = 32,360,370,978.24/205,020.55
  6. Step 6: Final answer
    x = 157,839.65

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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.