Home / 146,710.28-202,462.76-82,178.96

Finding the Fourth Proportional to 146,710.28, 202,462.76 and 82,178.96

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Solution

The fourth proportional to 146,710.28, 202,462.76 and 82,178.96 is: 113,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,710.28 : 202,462.76 = 82,178.96 : x
  2. Step 2: Convert to fraction form
    146,710.28/202,462.76 = 82,178.96/x
  3. Step 3: Cross multiply
    146,710.28x = 202,462.76 × 82,178.96
  4. Step 4: Simplify right side
    146,710.28x = 16,638,178,699.73
  5. Step 5: Solve for x
    x = 16,638,178,699.73/146,710.28
  6. Step 6: Final answer
    x = 113,408.40

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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.