Home / 153,984.12-230,976.72-47,367.35

Finding the Fourth Proportional to 153,984.12, 230,976.72 and 47,367.35

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Solution

The fourth proportional to 153,984.12, 230,976.72 and 47,367.35 is: 71,051.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,984.12 : 230,976.72 = 47,367.35 : x
  2. Step 2: Convert to fraction form
    153,984.12/230,976.72 = 47,367.35/x
  3. Step 3: Cross multiply
    153,984.12x = 230,976.72 × 47,367.35
  4. Step 4: Simplify right side
    153,984.12x = 10,940,755,138.09
  5. Step 5: Solve for x
    x = 10,940,755,138.09/153,984.12
  6. Step 6: Final answer
    x = 71,051.19

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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.