Home / 99,020.34-148,357.71-82,486.62

Finding the Fourth Proportional to 99,020.34, 148,357.71 and 82,486.62

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Solution

The fourth proportional to 99,020.34, 148,357.71 and 82,486.62 is: 123,585.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,020.34 : 148,357.71 = 82,486.62 : x
  2. Step 2: Convert to fraction form
    99,020.34/148,357.71 = 82,486.62/x
  3. Step 3: Cross multiply
    99,020.34x = 148,357.71 × 82,486.62
  4. Step 4: Simplify right side
    99,020.34x = 12,237,526,048.84
  5. Step 5: Solve for x
    x = 12,237,526,048.84/99,020.34
  6. Step 6: Final answer
    x = 123,585.98

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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.