Home / 99,300.12-148,942.07-32,739.18

Finding the Fourth Proportional to 99,300.12, 148,942.07 and 32,739.18

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Solution

The fourth proportional to 99,300.12, 148,942.07 and 32,739.18 is: 49,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,300.12 : 148,942.07 = 32,739.18 : x
  2. Step 2: Convert to fraction form
    99,300.12/148,942.07 = 32,739.18/x
  3. Step 3: Cross multiply
    99,300.12x = 148,942.07 × 32,739.18
  4. Step 4: Simplify right side
    99,300.12x = 4,876,241,239.30
  5. Step 5: Solve for x
    x = 4,876,241,239.30/99,300.12
  6. Step 6: Final answer
    x = 49,106.10

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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.