Home / 153,939.16-230,922.34-43,131.48

Finding the Fourth Proportional to 153,939.16, 230,922.34 and 43,131.48

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Solution

The fourth proportional to 153,939.16, 230,922.34 and 43,131.48 is: 64,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,939.16 : 230,922.34 = 43,131.48 : x
  2. Step 2: Convert to fraction form
    153,939.16/230,922.34 = 43,131.48/x
  3. Step 3: Cross multiply
    153,939.16x = 230,922.34 × 43,131.48
  4. Step 4: Simplify right side
    153,939.16x = 9,960,022,289.26
  5. Step 5: Solve for x
    x = 9,960,022,289.26/153,939.16
  6. Step 6: Final answer
    x = 64,701.03

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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.