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Finding the Fourth Proportional to 180,474.80, 249,077.46 and 102,969.51

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Solution

The fourth proportional to 180,474.80, 249,077.46 and 102,969.51 is: 142,110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,474.80 : 249,077.46 = 102,969.51 : x
  2. Step 2: Convert to fraction form
    180,474.80/249,077.46 = 102,969.51/x
  3. Step 3: Cross multiply
    180,474.80x = 249,077.46 × 102,969.51
  4. Step 4: Simplify right side
    180,474.80x = 25,647,384,008.24
  5. Step 5: Solve for x
    x = 25,647,384,008.24/180,474.80
  6. Step 6: Final answer
    x = 142,110.61

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1.5x scale

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.