Home / 240,139.03-360,452.28-120,281.86

Finding the Fourth Proportional to 240,139.03, 360,452.28 and 120,281.86

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Solution

The fourth proportional to 240,139.03, 360,452.28 and 120,281.86 is: 180,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,139.03 : 360,452.28 = 120,281.86 : x
  2. Step 2: Convert to fraction form
    240,139.03/360,452.28 = 120,281.86/x
  3. Step 3: Cross multiply
    240,139.03x = 360,452.28 × 120,281.86
  4. Step 4: Simplify right side
    240,139.03x = 43,355,870,679.64
  5. Step 5: Solve for x
    x = 43,355,870,679.64/240,139.03
  6. Step 6: Final answer
    x = 180,544.87

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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.