Home / 84,165.18-126,268.57-25,000.75

Finding the Fourth Proportional to 84,165.18, 126,268.57 and 25,000.75

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Solution

The fourth proportional to 84,165.18, 126,268.57 and 25,000.75 is: 37,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,165.18 : 126,268.57 = 25,000.75 : x
  2. Step 2: Convert to fraction form
    84,165.18/126,268.57 = 25,000.75/x
  3. Step 3: Cross multiply
    84,165.18x = 126,268.57 × 25,000.75
  4. Step 4: Simplify right side
    84,165.18x = 3,156,809,140.51
  5. Step 5: Solve for x
    x = 3,156,809,140.51/84,165.18
  6. Step 6: Final answer
    x = 37,507.31

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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.