Home / 146,181.04-219,338.52-79,521.28

Finding the Fourth Proportional to 146,181.04, 219,338.52 and 79,521.28

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Solution

The fourth proportional to 146,181.04, 219,338.52 and 79,521.28 is: 119,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,181.04 : 219,338.52 = 79,521.28 : x
  2. Step 2: Convert to fraction form
    146,181.04/219,338.52 = 79,521.28/x
  3. Step 3: Cross multiply
    146,181.04x = 219,338.52 × 79,521.28
  4. Step 4: Simplify right side
    146,181.04x = 17,442,079,863.71
  5. Step 5: Solve for x
    x = 17,442,079,863.71/146,181.04
  6. Step 6: Final answer
    x = 119,318.35

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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.