Home / 154,871.37-232,257.83-105,270.21

Finding the Fourth Proportional to 154,871.37, 232,257.83 and 105,270.21

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Solution

The fourth proportional to 154,871.37, 232,257.83 and 105,270.21 is: 157,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,871.37 : 232,257.83 = 105,270.21 : x
  2. Step 2: Convert to fraction form
    154,871.37/232,257.83 = 105,270.21/x
  3. Step 3: Cross multiply
    154,871.37x = 232,257.83 × 105,270.21
  4. Step 4: Simplify right side
    154,871.37x = 24,449,830,011.89
  5. Step 5: Solve for x
    x = 24,449,830,011.89/154,871.37
  6. Step 6: Final answer
    x = 157,871.85

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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.