Home / 148,792.20-205,365.93-97,809.64

Finding the Fourth Proportional to 148,792.20, 205,365.93 and 97,809.64

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Solution

The fourth proportional to 148,792.20, 205,365.93 and 97,809.64 is: 134,998.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,792.20 : 205,365.93 = 97,809.64 : x
  2. Step 2: Convert to fraction form
    148,792.20/205,365.93 = 97,809.64/x
  3. Step 3: Cross multiply
    148,792.20x = 205,365.93 × 97,809.64
  4. Step 4: Simplify right side
    148,792.20x = 20,086,766,801.36
  5. Step 5: Solve for x
    x = 20,086,766,801.36/148,792.20
  6. Step 6: Final answer
    x = 134,998.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.