Home / 154,564.09-213,371.48-103,610.13

Finding the Fourth Proportional to 154,564.09, 213,371.48 and 103,610.13

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Solution

The fourth proportional to 154,564.09, 213,371.48 and 103,610.13 is: 143,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,564.09 : 213,371.48 = 103,610.13 : x
  2. Step 2: Convert to fraction form
    154,564.09/213,371.48 = 103,610.13/x
  3. Step 3: Cross multiply
    154,564.09x = 213,371.48 × 103,610.13
  4. Step 4: Simplify right side
    154,564.09x = 22,107,446,781.09
  5. Step 5: Solve for x
    x = 22,107,446,781.09/154,564.09
  6. Step 6: Final answer
    x = 143,030.94

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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.