Home / 99,293.22-148,950.78-29,178

Finding the Fourth Proportional to 99,293.22, 148,950.78 and 29,178

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Solution

The fourth proportional to 99,293.22, 148,950.78 and 29,178 is: 43,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,293.22 : 148,950.78 = 29,178 : x
  2. Step 2: Convert to fraction form
    99,293.22/148,950.78 = 29,178/x
  3. Step 3: Cross multiply
    99,293.22x = 148,950.78 × 29,178
  4. Step 4: Simplify right side
    99,293.22x = 4,346,085,858.84
  5. Step 5: Solve for x
    x = 4,346,085,858.84/99,293.22
  6. Step 6: Final answer
    x = 43,770.22

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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.