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Finding the Fourth Proportional to 180,589.72, 249,216.42 and 104,107.39

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Solution

The fourth proportional to 180,589.72, 249,216.42 and 104,107.39 is: 143,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,589.72 : 249,216.42 = 104,107.39 : x
  2. Step 2: Convert to fraction form
    180,589.72/249,216.42 = 104,107.39/x
  3. Step 3: Cross multiply
    180,589.72x = 249,216.42 × 104,107.39
  4. Step 4: Simplify right side
    180,589.72x = 25,945,271,031.34
  5. Step 5: Solve for x
    x = 25,945,271,031.34/180,589.72
  6. Step 6: Final answer
    x = 143,669.70

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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.