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Finding the Fourth Proportional to 180,491.54, 249,000.11 and 108,831.75

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Solution

The fourth proportional to 180,491.54, 249,000.11 and 108,831.75 is: 150,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,491.54 : 249,000.11 = 108,831.75 : x
  2. Step 2: Convert to fraction form
    180,491.54/249,000.11 = 108,831.75/x
  3. Step 3: Cross multiply
    180,491.54x = 249,000.11 × 108,831.75
  4. Step 4: Simplify right side
    180,491.54x = 27,099,117,177.33
  5. Step 5: Solve for x
    x = 27,099,117,177.33/180,491.54
  6. Step 6: Final answer
    x = 150,140.65

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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.