Home / 120,172.56-180,204.14-63,998.24

Finding the Fourth Proportional to 120,172.56, 180,204.14 and 63,998.24

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Solution

The fourth proportional to 120,172.56, 180,204.14 and 63,998.24 is: 95,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,172.56 : 180,204.14 = 63,998.24 : x
  2. Step 2: Convert to fraction form
    120,172.56/180,204.14 = 63,998.24/x
  3. Step 3: Cross multiply
    120,172.56x = 180,204.14 × 63,998.24
  4. Step 4: Simplify right side
    120,172.56x = 11,532,747,800.71
  5. Step 5: Solve for x
    x = 11,532,747,800.71/120,172.56
  6. Step 6: Final answer
    x = 95,968.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.