Home / 134,838.10-202,208.55-68,256.10

Finding the Fourth Proportional to 134,838.10, 202,208.55 and 68,256.10

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Solution

The fourth proportional to 134,838.10, 202,208.55 and 68,256.10 is: 102,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,838.10 : 202,208.55 = 68,256.10 : x
  2. Step 2: Convert to fraction form
    134,838.10/202,208.55 = 68,256.10/x
  3. Step 3: Cross multiply
    134,838.10x = 202,208.55 × 68,256.10
  4. Step 4: Simplify right side
    134,838.10x = 13,801,967,009.66
  5. Step 5: Solve for x
    x = 13,801,967,009.66/134,838.10
  6. Step 6: Final answer
    x = 102,359.55

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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.