Home / 99,327.60-148,772.70-69,584.40

Finding the Fourth Proportional to 99,327.60, 148,772.70 and 69,584.40

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Solution

The fourth proportional to 99,327.60, 148,772.70 and 69,584.40 is: 104,223.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,327.60 : 148,772.70 = 69,584.40 : x
  2. Step 2: Convert to fraction form
    99,327.60/148,772.70 = 69,584.40/x
  3. Step 3: Cross multiply
    99,327.60x = 148,772.70 × 69,584.40
  4. Step 4: Simplify right side
    99,327.60x = 10,352,259,065.88
  5. Step 5: Solve for x
    x = 10,352,259,065.88/99,327.60
  6. Step 6: Final answer
    x = 104,223.39

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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.