Home / 120,088.14-180,104.82-45,216.18

Finding the Fourth Proportional to 120,088.14, 180,104.82 and 45,216.18

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Solution

The fourth proportional to 120,088.14, 180,104.82 and 45,216.18 is: 67,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,088.14 : 180,104.82 = 45,216.18 : x
  2. Step 2: Convert to fraction form
    120,088.14/180,104.82 = 45,216.18/x
  3. Step 3: Cross multiply
    120,088.14x = 180,104.82 × 45,216.18
  4. Step 4: Simplify right side
    120,088.14x = 8,143,651,959.99
  5. Step 5: Solve for x
    x = 8,143,651,959.99/120,088.14
  6. Step 6: Final answer
    x = 67,813.96

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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.