Home / 276,130.32-381,088.70-168,771.85

Finding the Fourth Proportional to 276,130.32, 381,088.70 and 168,771.85

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Solution

The fourth proportional to 276,130.32, 381,088.70 and 168,771.85 is: 232,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,130.32 : 381,088.70 = 168,771.85 : x
  2. Step 2: Convert to fraction form
    276,130.32/381,088.70 = 168,771.85/x
  3. Step 3: Cross multiply
    276,130.32x = 381,088.70 × 168,771.85
  4. Step 4: Simplify right side
    276,130.32x = 64,317,045,893.03
  5. Step 5: Solve for x
    x = 64,317,045,893.03/276,130.32
  6. Step 6: Final answer
    x = 232,922.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.