Home / 154,928.40-232,392.60-145,597.20

Finding the Fourth Proportional to 154,928.40, 232,392.60 and 145,597.20

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Solution

The fourth proportional to 154,928.40, 232,392.60 and 145,597.20 is: 218,395.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,928.40 : 232,392.60 = 145,597.20 : x
  2. Step 2: Convert to fraction form
    154,928.40/232,392.60 = 145,597.20/x
  3. Step 3: Cross multiply
    154,928.40x = 232,392.60 × 145,597.20
  4. Step 4: Simplify right side
    154,928.40x = 33,835,711,860.72
  5. Step 5: Solve for x
    x = 33,835,711,860.72/154,928.40
  6. Step 6: Final answer
    x = 218,395.80

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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.