Home / 119,783.28-179,502.68-82,385.58

Finding the Fourth Proportional to 119,783.28, 179,502.68 and 82,385.58

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Solution

The fourth proportional to 119,783.28, 179,502.68 and 82,385.58 is: 123,459.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,783.28 : 179,502.68 = 82,385.58 : x
  2. Step 2: Convert to fraction form
    119,783.28/179,502.68 = 82,385.58/x
  3. Step 3: Cross multiply
    119,783.28x = 179,502.68 × 82,385.58
  4. Step 4: Simplify right side
    119,783.28x = 14,788,432,403.35
  5. Step 5: Solve for x
    x = 14,788,432,403.35/119,783.28
  6. Step 6: Final answer
    x = 123,459.91

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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.