Home / 219,902.04-303,443.73-124,390.08

Finding the Fourth Proportional to 219,902.04, 303,443.73 and 124,390.08

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Solution

The fourth proportional to 219,902.04, 303,443.73 and 124,390.08 is: 171,646.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,902.04 : 303,443.73 = 124,390.08 : x
  2. Step 2: Convert to fraction form
    219,902.04/303,443.73 = 124,390.08/x
  3. Step 3: Cross multiply
    219,902.04x = 303,443.73 × 124,390.08
  4. Step 4: Simplify right side
    219,902.04x = 37,745,389,850.20
  5. Step 5: Solve for x
    x = 37,745,389,850.20/219,902.04
  6. Step 6: Final answer
    x = 171,646.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.