Home / 199,482.04-298,964.53-81,015.76

Finding the Fourth Proportional to 199,482.04, 298,964.53 and 81,015.76

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Solution

The fourth proportional to 199,482.04, 298,964.53 and 81,015.76 is: 121,418.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,482.04 : 298,964.53 = 81,015.76 : x
  2. Step 2: Convert to fraction form
    199,482.04/298,964.53 = 81,015.76/x
  3. Step 3: Cross multiply
    199,482.04x = 298,964.53 × 81,015.76
  4. Step 4: Simplify right side
    199,482.04x = 24,220,838,610.99
  5. Step 5: Solve for x
    x = 24,220,838,610.99/199,482.04
  6. Step 6: Final answer
    x = 121,418.64

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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.