Home / 120,217.05-180,341.78-41,355.45

Finding the Fourth Proportional to 120,217.05, 180,341.78 and 41,355.45

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Solution

The fourth proportional to 120,217.05, 180,341.78 and 41,355.45 is: 62,038.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,217.05 : 180,341.78 = 41,355.45 : x
  2. Step 2: Convert to fraction form
    120,217.05/180,341.78 = 41,355.45/x
  3. Step 3: Cross multiply
    120,217.05x = 180,341.78 × 41,355.45
  4. Step 4: Simplify right side
    120,217.05x = 7,458,115,258.92
  5. Step 5: Solve for x
    x = 7,458,115,258.92/120,217.05
  6. Step 6: Final answer
    x = 62,038.75

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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.