Home / 423,111.06-634,668.12-107,568

Finding the Fourth Proportional to 423,111.06, 634,668.12 and 107,568

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Solution

The fourth proportional to 423,111.06, 634,668.12 and 107,568 is: 161,352.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,111.06 : 634,668.12 = 107,568 : x
  2. Step 2: Convert to fraction form
    423,111.06/634,668.12 = 107,568/x
  3. Step 3: Cross multiply
    423,111.06x = 634,668.12 × 107,568
  4. Step 4: Simplify right side
    423,111.06x = 68,269,980,332.16
  5. Step 5: Solve for x
    x = 68,269,980,332.16/423,111.06
  6. Step 6: Final answer
    x = 161,352.39

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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.