Home / 205,022.70-282,931.66-113,139.84

Finding the Fourth Proportional to 205,022.70, 282,931.66 and 113,139.84

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Solution

The fourth proportional to 205,022.70, 282,931.66 and 113,139.84 is: 156,133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,022.70 : 282,931.66 = 113,139.84 : x
  2. Step 2: Convert to fraction form
    205,022.70/282,931.66 = 113,139.84/x
  3. Step 3: Cross multiply
    205,022.70x = 282,931.66 × 113,139.84
  4. Step 4: Simplify right side
    205,022.70x = 32,010,842,743.33
  5. Step 5: Solve for x
    x = 32,010,842,743.33/205,022.70
  6. Step 6: Final answer
    x = 156,133.16

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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.