Home / 154,954.40-232,431.60-145,623.20

Finding the Fourth Proportional to 154,954.40, 232,431.60 and 145,623.20

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Solution

The fourth proportional to 154,954.40, 232,431.60 and 145,623.20 is: 218,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,954.40 : 232,431.60 = 145,623.20 : x
  2. Step 2: Convert to fraction form
    154,954.40/232,431.60 = 145,623.20/x
  3. Step 3: Cross multiply
    154,954.40x = 232,431.60 × 145,623.20
  4. Step 4: Simplify right side
    154,954.40x = 33,847,433,373.12
  5. Step 5: Solve for x
    x = 33,847,433,373.12/154,954.40
  6. Step 6: Final answer
    x = 218,434.80

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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.