Home / 148,401.56-204,757.42-87,986.36

Finding the Fourth Proportional to 148,401.56, 204,757.42 and 87,986.36

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Solution

The fourth proportional to 148,401.56, 204,757.42 and 87,986.36 is: 121,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,401.56 : 204,757.42 = 87,986.36 : x
  2. Step 2: Convert to fraction form
    148,401.56/204,757.42 = 87,986.36/x
  3. Step 3: Cross multiply
    148,401.56x = 204,757.42 × 87,986.36
  4. Step 4: Simplify right side
    148,401.56x = 18,015,860,068.79
  5. Step 5: Solve for x
    x = 18,015,860,068.79/148,401.56
  6. Step 6: Final answer
    x = 121,399.40

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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.