Home / 165,659.36-248,538.72-51,802.56

Finding the Fourth Proportional to 165,659.36, 248,538.72 and 51,802.56

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Solution

The fourth proportional to 165,659.36, 248,538.72 and 51,802.56 is: 77,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,659.36 : 248,538.72 = 51,802.56 : x
  2. Step 2: Convert to fraction form
    165,659.36/248,538.72 = 51,802.56/x
  3. Step 3: Cross multiply
    165,659.36x = 248,538.72 × 51,802.56
  4. Step 4: Simplify right side
    165,659.36x = 12,874,941,955.12
  5. Step 5: Solve for x
    x = 12,874,941,955.12/165,659.36
  6. Step 6: Final answer
    x = 77,719.38

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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.