Home / 199,145.84-274,819.74-108,501.53

Finding the Fourth Proportional to 199,145.84, 274,819.74 and 108,501.53

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Solution

The fourth proportional to 199,145.84, 274,819.74 and 108,501.53 is: 149,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,145.84 : 274,819.74 = 108,501.53 : x
  2. Step 2: Convert to fraction form
    199,145.84/274,819.74 = 108,501.53/x
  3. Step 3: Cross multiply
    199,145.84x = 274,819.74 × 108,501.53
  4. Step 4: Simplify right side
    199,145.84x = 29,818,362,264.20
  5. Step 5: Solve for x
    x = 29,818,362,264.20/199,145.84
  6. Step 6: Final answer
    x = 149,731.28

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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.