Home / 219,680.07-303,171.57-124,195.65

Finding the Fourth Proportional to 219,680.07, 303,171.57 and 124,195.65

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Solution

The fourth proportional to 219,680.07, 303,171.57 and 124,195.65 is: 171,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,680.07 : 303,171.57 = 124,195.65 : x
  2. Step 2: Convert to fraction form
    219,680.07/303,171.57 = 124,195.65/x
  3. Step 3: Cross multiply
    219,680.07x = 303,171.57 × 124,195.65
  4. Step 4: Simplify right side
    219,680.07x = 37,652,590,197.67
  5. Step 5: Solve for x
    x = 37,652,590,197.67/219,680.07
  6. Step 6: Final answer
    x = 171,397.39

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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.