Home / 99,663.10-149,346.96-82,019.14

Finding the Fourth Proportional to 99,663.10, 149,346.96 and 82,019.14

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Solution

The fourth proportional to 99,663.10, 149,346.96 and 82,019.14 is: 122,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,663.10 : 149,346.96 = 82,019.14 : x
  2. Step 2: Convert to fraction form
    99,663.10/149,346.96 = 82,019.14/x
  3. Step 3: Cross multiply
    99,663.10x = 149,346.96 × 82,019.14
  4. Step 4: Simplify right side
    99,663.10x = 12,249,308,847.45
  5. Step 5: Solve for x
    x = 12,249,308,847.45/99,663.10
  6. Step 6: Final answer
    x = 122,907.17

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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.