Home / 213,636.07-294,817.35-122,959

Finding the Fourth Proportional to 213,636.07, 294,817.35 and 122,959

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Solution

The fourth proportional to 213,636.07, 294,817.35 and 122,959 is: 169,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,636.07 : 294,817.35 = 122,959 : x
  2. Step 2: Convert to fraction form
    213,636.07/294,817.35 = 122,959/x
  3. Step 3: Cross multiply
    213,636.07x = 294,817.35 × 122,959
  4. Step 4: Simplify right side
    213,636.07x = 36,250,446,538.65
  5. Step 5: Solve for x
    x = 36,250,446,538.65/213,636.07
  6. Step 6: Final answer
    x = 169,683.17

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1.5x scale

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.