Home / 195,080.10-292,743.16-76,736.06

Finding the Fourth Proportional to 195,080.10, 292,743.16 and 76,736.06

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Solution

The fourth proportional to 195,080.10, 292,743.16 and 76,736.06 is: 115,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,080.10 : 292,743.16 = 76,736.06 : x
  2. Step 2: Convert to fraction form
    195,080.10/292,743.16 = 76,736.06/x
  3. Step 3: Cross multiply
    195,080.10x = 292,743.16 × 76,736.06
  4. Step 4: Simplify right side
    195,080.10x = 22,463,956,564.22
  5. Step 5: Solve for x
    x = 22,463,956,564.22/195,080.10
  6. Step 6: Final answer
    x = 115,152.48

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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.