Home / 134,138.90-201,208.35-132,389.30

Finding the Fourth Proportional to 134,138.90, 201,208.35 and 132,389.30

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Solution

The fourth proportional to 134,138.90, 201,208.35 and 132,389.30 is: 198,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,138.90 : 201,208.35 = 132,389.30 : x
  2. Step 2: Convert to fraction form
    134,138.90/201,208.35 = 132,389.30/x
  3. Step 3: Cross multiply
    134,138.90x = 201,208.35 × 132,389.30
  4. Step 4: Simplify right side
    134,138.90x = 26,637,832,610.66
  5. Step 5: Solve for x
    x = 26,637,832,610.66/134,138.90
  6. Step 6: Final answer
    x = 198,583.95

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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.