Home / 198,064.04-297,064.22-57,789.80

Finding the Fourth Proportional to 198,064.04, 297,064.22 and 57,789.80

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Solution

The fourth proportional to 198,064.04, 297,064.22 and 57,789.80 is: 86,675.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,064.04 : 297,064.22 = 57,789.80 : x
  2. Step 2: Convert to fraction form
    198,064.04/297,064.22 = 57,789.80/x
  3. Step 3: Cross multiply
    198,064.04x = 297,064.22 × 57,789.80
  4. Step 4: Simplify right side
    198,064.04x = 17,167,281,860.96
  5. Step 5: Solve for x
    x = 17,167,281,860.96/198,064.04
  6. Step 6: Final answer
    x = 86,675.41

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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.