Home / 210,198.66-315,295.88-96,314.18

Finding the Fourth Proportional to 210,198.66, 315,295.88 and 96,314.18

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Solution

The fourth proportional to 210,198.66, 315,295.88 and 96,314.18 is: 144,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,198.66 : 315,295.88 = 96,314.18 : x
  2. Step 2: Convert to fraction form
    210,198.66/315,295.88 = 96,314.18/x
  3. Step 3: Cross multiply
    210,198.66x = 315,295.88 × 96,314.18
  4. Step 4: Simplify right side
    210,198.66x = 30,367,464,139.58
  5. Step 5: Solve for x
    x = 30,367,464,139.58/210,198.66
  6. Step 6: Final answer
    x = 144,470.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.