Home / 199,330.16-275,077.76-108,685.36

Finding the Fourth Proportional to 199,330.16, 275,077.76 and 108,685.36

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Solution

The fourth proportional to 199,330.16, 275,077.76 and 108,685.36 is: 149,986.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,330.16 : 275,077.76 = 108,685.36 : x
  2. Step 2: Convert to fraction form
    199,330.16/275,077.76 = 108,685.36/x
  3. Step 3: Cross multiply
    199,330.16x = 275,077.76 × 108,685.36
  4. Step 4: Simplify right side
    199,330.16x = 29,896,925,373.59
  5. Step 5: Solve for x
    x = 29,896,925,373.59/199,330.16
  6. Step 6: Final answer
    x = 149,986.96

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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.