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Finding the Fourth Proportional to 180,531.99, 249,114.03 and 99,939.33

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Solution

The fourth proportional to 180,531.99, 249,114.03 and 99,939.33 is: 137,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,531.99 : 249,114.03 = 99,939.33 : x
  2. Step 2: Convert to fraction form
    180,531.99/249,114.03 = 99,939.33/x
  3. Step 3: Cross multiply
    180,531.99x = 249,114.03 × 99,939.33
  4. Step 4: Simplify right side
    180,531.99x = 24,896,289,251.80
  5. Step 5: Solve for x
    x = 24,896,289,251.80/180,531.99
  6. Step 6: Final answer
    x = 137,905.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.