Home / 198,317.31-297,594.15-71,967.41

Finding the Fourth Proportional to 198,317.31, 297,594.15 and 71,967.41

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Solution

The fourth proportional to 198,317.31, 297,594.15 and 71,967.41 is: 107,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,317.31 : 297,594.15 = 71,967.41 : x
  2. Step 2: Convert to fraction form
    198,317.31/297,594.15 = 71,967.41/x
  3. Step 3: Cross multiply
    198,317.31x = 297,594.15 × 71,967.41
  4. Step 4: Simplify right side
    198,317.31x = 21,417,080,206.65
  5. Step 5: Solve for x
    x = 21,417,080,206.65/198,317.31
  6. Step 6: Final answer
    x = 107,994.01

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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.