Home / 154,427.50-231,680.13-43,619.50

Finding the Fourth Proportional to 154,427.50, 231,680.13 and 43,619.50

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Solution

The fourth proportional to 154,427.50, 231,680.13 and 43,619.50 is: 65,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,427.50 : 231,680.13 = 43,619.50 : x
  2. Step 2: Convert to fraction form
    154,427.50/231,680.13 = 43,619.50/x
  3. Step 3: Cross multiply
    154,427.50x = 231,680.13 × 43,619.50
  4. Step 4: Simplify right side
    154,427.50x = 10,105,771,430.54
  5. Step 5: Solve for x
    x = 10,105,771,430.54/154,427.50
  6. Step 6: Final answer
    x = 65,440.23

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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.