Home / 99,295.22-148,953.78-29,180

Finding the Fourth Proportional to 99,295.22, 148,953.78 and 29,180

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Solution

The fourth proportional to 99,295.22, 148,953.78 and 29,180 is: 43,773.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,295.22 : 148,953.78 = 29,180 : x
  2. Step 2: Convert to fraction form
    99,295.22/148,953.78 = 29,180/x
  3. Step 3: Cross multiply
    99,295.22x = 148,953.78 × 29,180
  4. Step 4: Simplify right side
    99,295.22x = 4,346,471,300.40
  5. Step 5: Solve for x
    x = 4,346,471,300.40/99,295.22
  6. Step 6: Final answer
    x = 43,773.22

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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.