Home / 134,837.10-202,207.05-68,255.10

Finding the Fourth Proportional to 134,837.10, 202,207.05 and 68,255.10

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Solution

The fourth proportional to 134,837.10, 202,207.05 and 68,255.10 is: 102,358.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,837.10 : 202,207.05 = 68,255.10 : x
  2. Step 2: Convert to fraction form
    134,837.10/202,207.05 = 68,255.10/x
  3. Step 3: Cross multiply
    134,837.10x = 202,207.05 × 68,255.10
  4. Step 4: Simplify right side
    134,837.10x = 13,801,662,418.46
  5. Step 5: Solve for x
    x = 13,801,662,418.46/134,837.10
  6. Step 6: Final answer
    x = 102,358.05

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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.