Home / 213,010.68-319,461.20-63,215.50

Finding the Fourth Proportional to 213,010.68, 319,461.20 and 63,215.50

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Solution

The fourth proportional to 213,010.68, 319,461.20 and 63,215.50 is: 94,806.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,010.68 : 319,461.20 = 63,215.50 : x
  2. Step 2: Convert to fraction form
    213,010.68/319,461.20 = 63,215.50/x
  3. Step 3: Cross multiply
    213,010.68x = 319,461.20 × 63,215.50
  4. Step 4: Simplify right side
    213,010.68x = 20,194,899,488.60
  5. Step 5: Solve for x
    x = 20,194,899,488.60/213,010.68
  6. Step 6: Final answer
    x = 94,806.98

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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.