Home / 199,868.13-275,818.75-109,225.49

Finding the Fourth Proportional to 199,868.13, 275,818.75 and 109,225.49

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Solution

The fourth proportional to 199,868.13, 275,818.75 and 109,225.49 is: 150,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,868.13 : 275,818.75 = 109,225.49 : x
  2. Step 2: Convert to fraction form
    199,868.13/275,818.75 = 109,225.49/x
  3. Step 3: Cross multiply
    199,868.13x = 275,818.75 × 109,225.49
  4. Step 4: Simplify right side
    199,868.13x = 30,126,437,502.10
  5. Step 5: Solve for x
    x = 30,126,437,502.10/199,868.13
  6. Step 6: Final answer
    x = 150,731.57

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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.