Home / 216,479.49-298,732.89-119,677.20

Finding the Fourth Proportional to 216,479.49, 298,732.89 and 119,677.20

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Solution

The fourth proportional to 216,479.49, 298,732.89 and 119,677.20 is: 165,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,479.49 : 298,732.89 = 119,677.20 : x
  2. Step 2: Convert to fraction form
    216,479.49/298,732.89 = 119,677.20/x
  3. Step 3: Cross multiply
    216,479.49x = 298,732.89 × 119,677.20
  4. Step 4: Simplify right side
    216,479.49x = 35,751,515,151.65
  5. Step 5: Solve for x
    x = 35,751,515,151.65/216,479.49
  6. Step 6: Final answer
    x = 165,149.66

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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.