Home / 130,568.50-180,191.82-73,998.10

Finding the Fourth Proportional to 130,568.50, 180,191.82 and 73,998.10

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Solution

The fourth proportional to 130,568.50, 180,191.82 and 73,998.10 is: 102,121.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,568.50 : 180,191.82 = 73,998.10 : x
  2. Step 2: Convert to fraction form
    130,568.50/180,191.82 = 73,998.10/x
  3. Step 3: Cross multiply
    130,568.50x = 180,191.82 × 73,998.10
  4. Step 4: Simplify right side
    130,568.50x = 13,333,852,315.54
  5. Step 5: Solve for x
    x = 13,333,852,315.54/130,568.50
  6. Step 6: Final answer
    x = 102,121.51

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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.