Home / 154,548.46-231,795.28-70,288.89

Finding the Fourth Proportional to 154,548.46, 231,795.28 and 70,288.89

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Solution

The fourth proportional to 154,548.46, 231,795.28 and 70,288.89 is: 105,420.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,548.46 : 231,795.28 = 70,288.89 : x
  2. Step 2: Convert to fraction form
    154,548.46/231,795.28 = 70,288.89/x
  3. Step 3: Cross multiply
    154,548.46x = 231,795.28 × 70,288.89
  4. Step 4: Simplify right side
    154,548.46x = 16,292,632,938.44
  5. Step 5: Solve for x
    x = 16,292,632,938.44/154,548.46
  6. Step 6: Final answer
    x = 105,420.87

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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.