Home / 151,642.12-227,602.82-76,814.36

Finding the Fourth Proportional to 151,642.12, 227,602.82 and 76,814.36

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Solution

The fourth proportional to 151,642.12, 227,602.82 and 76,814.36 is: 115,292.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,642.12 : 227,602.82 = 76,814.36 : x
  2. Step 2: Convert to fraction form
    151,642.12/227,602.82 = 76,814.36/x
  3. Step 3: Cross multiply
    151,642.12x = 227,602.82 × 76,814.36
  4. Step 4: Simplify right side
    151,642.12x = 17,483,163,814.48
  5. Step 5: Solve for x
    x = 17,483,163,814.48/151,642.12
  6. Step 6: Final answer
    x = 115,292.27

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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.