Home / 255,022.70-382,534.72-121,872.67

Finding the Fourth Proportional to 255,022.70, 382,534.72 and 121,872.67

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Solution

The fourth proportional to 255,022.70, 382,534.72 and 121,872.67 is: 182,809.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,022.70 : 382,534.72 = 121,872.67 : x
  2. Step 2: Convert to fraction form
    255,022.70/382,534.72 = 121,872.67/x
  3. Step 3: Cross multiply
    255,022.70x = 382,534.72 × 121,872.67
  4. Step 4: Simplify right side
    255,022.70x = 46,620,526,433.08
  5. Step 5: Solve for x
    x = 46,620,526,433.08/255,022.70
  6. Step 6: Final answer
    x = 182,809.32

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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.