Home / 85,331.00-127,998.34-26,165.36

Finding the Fourth Proportional to 85,331.00, 127,998.34 and 26,165.36

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Solution

The fourth proportional to 85,331.00, 127,998.34 and 26,165.36 is: 39,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,331.00 : 127,998.34 = 26,165.36 : x
  2. Step 2: Convert to fraction form
    85,331.00/127,998.34 = 26,165.36/x
  3. Step 3: Cross multiply
    85,331.00x = 127,998.34 × 26,165.36
  4. Step 4: Simplify right side
    85,331.00x = 3,349,121,940.10
  5. Step 5: Solve for x
    x = 3,349,121,940.10/85,331.00
  6. Step 6: Final answer
    x = 39,248.60

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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.