Home / 154,047.90-231,071.85-133,052.70

Finding the Fourth Proportional to 154,047.90, 231,071.85 and 133,052.70

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Solution

The fourth proportional to 154,047.90, 231,071.85 and 133,052.70 is: 199,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,047.90 : 231,071.85 = 133,052.70 : x
  2. Step 2: Convert to fraction form
    154,047.90/231,071.85 = 133,052.70/x
  3. Step 3: Cross multiply
    154,047.90x = 231,071.85 × 133,052.70
  4. Step 4: Simplify right side
    154,047.90x = 30,744,733,536.50
  5. Step 5: Solve for x
    x = 30,744,733,536.50/154,047.90
  6. Step 6: Final answer
    x = 199,579.05

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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.