Home / 154,981.98-232,392.20-55,127.67

Finding the Fourth Proportional to 154,981.98, 232,392.20 and 55,127.67

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Solution

The fourth proportional to 154,981.98, 232,392.20 and 55,127.67 is: 82,662.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,981.98 : 232,392.20 = 55,127.67 : x
  2. Step 2: Convert to fraction form
    154,981.98/232,392.20 = 55,127.67/x
  3. Step 3: Cross multiply
    154,981.98x = 232,392.20 × 55,127.67
  4. Step 4: Simplify right side
    154,981.98x = 12,811,240,236.54
  5. Step 5: Solve for x
    x = 12,811,240,236.54/154,981.98
  6. Step 6: Final answer
    x = 82,662.77

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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.