Home / 180,558.13-249,169.81-104,076.72

Finding the Fourth Proportional to 180,558.13, 249,169.81 and 104,076.72

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Solution

The fourth proportional to 180,558.13, 249,169.81 and 104,076.72 is: 143,625.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,558.13 : 249,169.81 = 104,076.72 : x
  2. Step 2: Convert to fraction form
    180,558.13/249,169.81 = 104,076.72/x
  3. Step 3: Cross multiply
    180,558.13x = 249,169.81 × 104,076.72
  4. Step 4: Simplify right side
    180,558.13x = 25,932,775,301.97
  5. Step 5: Solve for x
    x = 25,932,775,301.97/180,558.13
  6. Step 6: Final answer
    x = 143,625.63

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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.