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Finding the Fourth Proportional to 180,573.48, 249,114.10 and 108,912.68

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Solution

The fourth proportional to 180,573.48, 249,114.10 and 108,912.68 is: 150,252.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,573.48 : 249,114.10 = 108,912.68 : x
  2. Step 2: Convert to fraction form
    180,573.48/249,114.10 = 108,912.68/x
  3. Step 3: Cross multiply
    180,573.48x = 249,114.10 × 108,912.68
  4. Step 4: Simplify right side
    180,573.48x = 27,131,684,256.79
  5. Step 5: Solve for x
    x = 27,131,684,256.79/180,573.48
  6. Step 6: Final answer
    x = 150,252.87

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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.