Home / 120,350.68-180,518.73-31,602.22

Finding the Fourth Proportional to 120,350.68, 180,518.73 and 31,602.22

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Solution

The fourth proportional to 120,350.68, 180,518.73 and 31,602.22 is: 47,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,350.68 : 180,518.73 = 31,602.22 : x
  2. Step 2: Convert to fraction form
    120,350.68/180,518.73 = 31,602.22/x
  3. Step 3: Cross multiply
    120,350.68x = 180,518.73 × 31,602.22
  4. Step 4: Simplify right side
    120,350.68x = 5,704,792,619.58
  5. Step 5: Solve for x
    x = 5,704,792,619.58/120,350.68
  6. Step 6: Final answer
    x = 47,401.42

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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.