Home / 148,288.80-222,433.20-112,859.40

Finding the Fourth Proportional to 148,288.80, 222,433.20 and 112,859.40

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Solution

The fourth proportional to 148,288.80, 222,433.20 and 112,859.40 is: 169,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,288.80 : 222,433.20 = 112,859.40 : x
  2. Step 2: Convert to fraction form
    148,288.80/222,433.20 = 112,859.40/x
  3. Step 3: Cross multiply
    148,288.80x = 222,433.20 × 112,859.40
  4. Step 4: Simplify right side
    148,288.80x = 25,103,677,492.08
  5. Step 5: Solve for x
    x = 25,103,677,492.08/148,288.80
  6. Step 6: Final answer
    x = 169,289.10

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1.5x scale

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.