Home / 120,297.20-180,349.68-57,085.52

Finding the Fourth Proportional to 120,297.20, 180,349.68 and 57,085.52

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Solution

The fourth proportional to 120,297.20, 180,349.68 and 57,085.52 is: 85,582.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,297.20 : 180,349.68 = 57,085.52 : x
  2. Step 2: Convert to fraction form
    120,297.20/180,349.68 = 57,085.52/x
  3. Step 3: Cross multiply
    120,297.20x = 180,349.68 × 57,085.52
  4. Step 4: Simplify right side
    120,297.20x = 10,295,355,264.63
  5. Step 5: Solve for x
    x = 10,295,355,264.63/120,297.20
  6. Step 6: Final answer
    x = 85,582.67

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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.