Home / 114,299.67-158,034.54-100,111.82

Finding the Fourth Proportional to 114,299.67, 158,034.54 and 100,111.82

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Solution

The fourth proportional to 114,299.67, 158,034.54 and 100,111.82 is: 138,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,299.67 : 158,034.54 = 100,111.82 : x
  2. Step 2: Convert to fraction form
    114,299.67/158,034.54 = 100,111.82/x
  3. Step 3: Cross multiply
    114,299.67x = 158,034.54 × 100,111.82
  4. Step 4: Simplify right side
    114,299.67x = 15,821,125,007.51
  5. Step 5: Solve for x
    x = 15,821,125,007.51/114,299.67
  6. Step 6: Final answer
    x = 138,417.94

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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.