Home / 88,110.82-121,425.33-86,491.54

Finding the Fourth Proportional to 88,110.82, 121,425.33 and 86,491.54

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Solution

The fourth proportional to 88,110.82, 121,425.33 and 86,491.54 is: 119,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,110.82 : 121,425.33 = 86,491.54 : x
  2. Step 2: Convert to fraction form
    88,110.82/121,425.33 = 86,491.54/x
  3. Step 3: Cross multiply
    88,110.82x = 121,425.33 × 86,491.54
  4. Step 4: Simplify right side
    88,110.82x = 10,502,263,786.71
  5. Step 5: Solve for x
    x = 10,502,263,786.71/88,110.82
  6. Step 6: Final answer
    x = 119,193.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.