Home / 180,981.89-249,755.19-105,544.97

Finding the Fourth Proportional to 180,981.89, 249,755.19 and 105,544.97

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Solution

The fourth proportional to 180,981.89, 249,755.19 and 105,544.97 is: 145,652.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,981.89 : 249,755.19 = 105,544.97 : x
  2. Step 2: Convert to fraction form
    180,981.89/249,755.19 = 105,544.97/x
  3. Step 3: Cross multiply
    180,981.89x = 249,755.19 × 105,544.97
  4. Step 4: Simplify right side
    180,981.89x = 26,360,404,035.89
  5. Step 5: Solve for x
    x = 26,360,404,035.89/180,981.89
  6. Step 6: Final answer
    x = 145,652.16

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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.