Home / 144,982.09-200,084.75-81,324.19

Finding the Fourth Proportional to 144,982.09, 200,084.75 and 81,324.19

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Solution

The fourth proportional to 144,982.09, 200,084.75 and 81,324.19 is: 112,232.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,982.09 : 200,084.75 = 81,324.19 : x
  2. Step 2: Convert to fraction form
    144,982.09/200,084.75 = 81,324.19/x
  3. Step 3: Cross multiply
    144,982.09x = 200,084.75 × 81,324.19
  4. Step 4: Simplify right side
    144,982.09x = 16,271,730,225.10
  5. Step 5: Solve for x
    x = 16,271,730,225.10/144,982.09
  6. Step 6: Final answer
    x = 112,232.69

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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.