Home / 68,192.38-102,323.60-30,267.64

Finding the Fourth Proportional to 68,192.38, 102,323.60 and 30,267.64

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Solution

The fourth proportional to 68,192.38, 102,323.60 and 30,267.64 is: 45,417.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,192.38 : 102,323.60 = 30,267.64 : x
  2. Step 2: Convert to fraction form
    68,192.38/102,323.60 = 30,267.64/x
  3. Step 3: Cross multiply
    68,192.38x = 102,323.60 × 30,267.64
  4. Step 4: Simplify right side
    68,192.38x = 3,097,093,888.30
  5. Step 5: Solve for x
    x = 3,097,093,888.30/68,192.38
  6. Step 6: Final answer
    x = 45,417.01

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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.