Home / 120,231.24-180,316.08-45,329.22

Finding the Fourth Proportional to 120,231.24, 180,316.08 and 45,329.22

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Solution

The fourth proportional to 120,231.24, 180,316.08 and 45,329.22 is: 67,982.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,231.24 : 180,316.08 = 45,329.22 : x
  2. Step 2: Convert to fraction form
    120,231.24/180,316.08 = 45,329.22/x
  3. Step 3: Cross multiply
    120,231.24x = 180,316.08 × 45,329.22
  4. Step 4: Simplify right side
    120,231.24x = 8,173,587,259.86
  5. Step 5: Solve for x
    x = 8,173,587,259.86/120,231.24
  6. Step 6: Final answer
    x = 67,982.23

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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.