Home / 200,318.95-300,502.16-125,445.29

Finding the Fourth Proportional to 200,318.95, 300,502.16 and 125,445.29

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Solution

The fourth proportional to 200,318.95, 300,502.16 and 125,445.29 is: 188,182.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,318.95 : 300,502.16 = 125,445.29 : x
  2. Step 2: Convert to fraction form
    200,318.95/300,502.16 = 125,445.29/x
  3. Step 3: Cross multiply
    200,318.95x = 300,502.16 × 125,445.29
  4. Step 4: Simplify right side
    200,318.95x = 37,696,579,323.14
  5. Step 5: Solve for x
    x = 37,696,579,323.14/200,318.95
  6. Step 6: Final answer
    x = 188,182.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.