Home / 219,988.52-303,569.70-124,505

Finding the Fourth Proportional to 219,988.52, 303,569.70 and 124,505

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Solution

The fourth proportional to 219,988.52, 303,569.70 and 124,505 is: 171,808.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,988.52 : 303,569.70 = 124,505 : x
  2. Step 2: Convert to fraction form
    219,988.52/303,569.70 = 124,505/x
  3. Step 3: Cross multiply
    219,988.52x = 303,569.70 × 124,505
  4. Step 4: Simplify right side
    219,988.52x = 37,795,945,498.50
  5. Step 5: Solve for x
    x = 37,795,945,498.50/219,988.52
  6. Step 6: Final answer
    x = 171,808.72

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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.