Home / 148,049.60-221,746.35-114,661.40

Finding the Fourth Proportional to 148,049.60, 221,746.35 and 114,661.40

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Solution

The fourth proportional to 148,049.60, 221,746.35 and 114,661.40 is: 171,738.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,049.60 : 221,746.35 = 114,661.40 : x
  2. Step 2: Convert to fraction form
    148,049.60/221,746.35 = 114,661.40/x
  3. Step 3: Cross multiply
    148,049.60x = 221,746.35 × 114,661.40
  4. Step 4: Simplify right side
    148,049.60x = 25,425,746,935.89
  5. Step 5: Solve for x
    x = 25,425,746,935.89/148,049.60
  6. Step 6: Final answer
    x = 171,738.03

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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.