Home / 180,994.60-249,542.94-129,373.48

Finding the Fourth Proportional to 180,994.60, 249,542.94 and 129,373.48

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Solution

The fourth proportional to 180,994.60, 249,542.94 and 129,373.48 is: 178,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,994.60 : 249,542.94 = 129,373.48 : x
  2. Step 2: Convert to fraction form
    180,994.60/249,542.94 = 129,373.48/x
  3. Step 3: Cross multiply
    180,994.60x = 249,542.94 × 129,373.48
  4. Step 4: Simplify right side
    180,994.60x = 32,284,238,557.23
  5. Step 5: Solve for x
    x = 32,284,238,557.23/180,994.60
  6. Step 6: Final answer
    x = 178,371.28

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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.