Home / 200,032.80-300,001.20-115,610.40

Finding the Fourth Proportional to 200,032.80, 300,001.20 and 115,610.40

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Solution

The fourth proportional to 200,032.80, 300,001.20 and 115,610.40 is: 173,387.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,032.80 : 300,001.20 = 115,610.40 : x
  2. Step 2: Convert to fraction form
    200,032.80/300,001.20 = 115,610.40/x
  3. Step 3: Cross multiply
    200,032.80x = 300,001.20 × 115,610.40
  4. Step 4: Simplify right side
    200,032.80x = 34,683,258,732.48
  5. Step 5: Solve for x
    x = 34,683,258,732.48/200,032.80
  6. Step 6: Final answer
    x = 173,387.86

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1.5x scale

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.