Home / 221,975.36-333,012.35-103,582.11

Finding the Fourth Proportional to 221,975.36, 333,012.35 and 103,582.11

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Solution

The fourth proportional to 221,975.36, 333,012.35 and 103,582.11 is: 155,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,975.36 : 333,012.35 = 103,582.11 : x
  2. Step 2: Convert to fraction form
    221,975.36/333,012.35 = 103,582.11/x
  3. Step 3: Cross multiply
    221,975.36x = 333,012.35 × 103,582.11
  4. Step 4: Simplify right side
    221,975.36x = 34,494,121,869.06
  5. Step 5: Solve for x
    x = 34,494,121,869.06/221,975.36
  6. Step 6: Final answer
    x = 155,396.17

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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.