Home / 154,964.24-232,459.32-55,178.72

Finding the Fourth Proportional to 154,964.24, 232,459.32 and 55,178.72

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Solution

The fourth proportional to 154,964.24, 232,459.32 and 55,178.72 is: 82,772.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,964.24 : 232,459.32 = 55,178.72 : x
  2. Step 2: Convert to fraction form
    154,964.24/232,459.32 = 55,178.72/x
  3. Step 3: Cross multiply
    154,964.24x = 232,459.32 × 55,178.72
  4. Step 4: Simplify right side
    154,964.24x = 12,826,807,729.67
  5. Step 5: Solve for x
    x = 12,826,807,729.67/154,964.24
  6. Step 6: Final answer
    x = 82,772.69

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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.