Home / 198,970.32-298,267.85-99,036.03

Finding the Fourth Proportional to 198,970.32, 298,267.85 and 99,036.03

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Solution

The fourth proportional to 198,970.32, 298,267.85 and 99,036.03 is: 148,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,970.32 : 298,267.85 = 99,036.03 : x
  2. Step 2: Convert to fraction form
    198,970.32/298,267.85 = 99,036.03/x
  3. Step 3: Cross multiply
    198,970.32x = 298,267.85 × 99,036.03
  4. Step 4: Simplify right side
    198,970.32x = 29,539,263,245.46
  5. Step 5: Solve for x
    x = 29,539,263,245.46/198,970.32
  6. Step 6: Final answer
    x = 148,460.65

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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.