Home / 134,900.64-202,475.28-68,388

Finding the Fourth Proportional to 134,900.64, 202,475.28 and 68,388

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Solution

The fourth proportional to 134,900.64, 202,475.28 and 68,388 is: 102,645.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,900.64 : 202,475.28 = 68,388 : x
  2. Step 2: Convert to fraction form
    134,900.64/202,475.28 = 68,388/x
  3. Step 3: Cross multiply
    134,900.64x = 202,475.28 × 68,388
  4. Step 4: Simplify right side
    134,900.64x = 13,846,879,448.64
  5. Step 5: Solve for x
    x = 13,846,879,448.64/134,900.64
  6. Step 6: Final answer
    x = 102,645.02

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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.