Home / 146,358.82-219,388.69-83,045.20

Finding the Fourth Proportional to 146,358.82, 219,388.69 and 83,045.20

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Solution

The fourth proportional to 146,358.82, 219,388.69 and 83,045.20 is: 124,482.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,358.82 : 219,388.69 = 83,045.20 : x
  2. Step 2: Convert to fraction form
    146,358.82/219,388.69 = 83,045.20/x
  3. Step 3: Cross multiply
    146,358.82x = 219,388.69 × 83,045.20
  4. Step 4: Simplify right side
    146,358.82x = 18,219,176,752.37
  5. Step 5: Solve for x
    x = 18,219,176,752.37/146,358.82
  6. Step 6: Final answer
    x = 124,482.94

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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.