Home / 199,153.80-274,828.79-108,510.51

Finding the Fourth Proportional to 199,153.80, 274,828.79 and 108,510.51

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Solution

The fourth proportional to 199,153.80, 274,828.79 and 108,510.51 is: 149,742.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,153.80 : 274,828.79 = 108,510.51 : x
  2. Step 2: Convert to fraction form
    199,153.80/274,828.79 = 108,510.51/x
  3. Step 3: Cross multiply
    199,153.80x = 274,828.79 × 108,510.51
  4. Step 4: Simplify right side
    199,153.80x = 29,821,811,931.55
  5. Step 5: Solve for x
    x = 29,821,811,931.55/199,153.80
  6. Step 6: Final answer
    x = 149,742.62

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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.