Home / 221,927.40-333,088.92-103,665.42

Finding the Fourth Proportional to 221,927.40, 333,088.92 and 103,665.42

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Solution

The fourth proportional to 221,927.40, 333,088.92 and 103,665.42 is: 155,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,927.40 : 333,088.92 = 103,665.42 : x
  2. Step 2: Convert to fraction form
    221,927.40/333,088.92 = 103,665.42/x
  3. Step 3: Cross multiply
    221,927.40x = 333,088.92 × 103,665.42
  4. Step 4: Simplify right side
    221,927.40x = 34,529,802,789.15
  5. Step 5: Solve for x
    x = 34,529,802,789.15/221,927.40
  6. Step 6: Final answer
    x = 155,590.53

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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.