Home / 134,870.30-202,305.45-82,382.30

Finding the Fourth Proportional to 134,870.30, 202,305.45 and 82,382.30

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Solution

The fourth proportional to 134,870.30, 202,305.45 and 82,382.30 is: 123,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,870.30 : 202,305.45 = 82,382.30 : x
  2. Step 2: Convert to fraction form
    134,870.30/202,305.45 = 82,382.30/x
  3. Step 3: Cross multiply
    134,870.30x = 202,305.45 × 82,382.30
  4. Step 4: Simplify right side
    134,870.30x = 16,666,388,273.54
  5. Step 5: Solve for x
    x = 16,666,388,273.54/134,870.30
  6. Step 6: Final answer
    x = 123,573.45

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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.