Home / 82,054.26-123,338.34-54,153.63

Finding the Fourth Proportional to 82,054.26, 123,338.34 and 54,153.63

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Solution

The fourth proportional to 82,054.26, 123,338.34 and 54,153.63 is: 81,400.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,054.26 : 123,338.34 = 54,153.63 : x
  2. Step 2: Convert to fraction form
    82,054.26/123,338.34 = 54,153.63/x
  3. Step 3: Cross multiply
    82,054.26x = 123,338.34 × 54,153.63
  4. Step 4: Simplify right side
    82,054.26x = 6,679,218,829.17
  5. Step 5: Solve for x
    x = 6,679,218,829.17/82,054.26
  6. Step 6: Final answer
    x = 81,400.03

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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.