Home / 119,519.91-179,214.21-82,089.40

Finding the Fourth Proportional to 119,519.91, 179,214.21 and 82,089.40

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Solution

The fourth proportional to 119,519.91, 179,214.21 and 82,089.40 is: 123,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,519.91 : 179,214.21 = 82,089.40 : x
  2. Step 2: Convert to fraction form
    119,519.91/179,214.21 = 82,089.40/x
  3. Step 3: Cross multiply
    119,519.91x = 179,214.21 × 82,089.40
  4. Step 4: Simplify right side
    119,519.91x = 14,711,586,970.37
  5. Step 5: Solve for x
    x = 14,711,586,970.37/119,519.91
  6. Step 6: Final answer
    x = 123,089.01

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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.