Home / 85,328.18-127,987.48-26,163.69

Finding the Fourth Proportional to 85,328.18, 127,987.48 and 26,163.69

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Solution

The fourth proportional to 85,328.18, 127,987.48 and 26,163.69 is: 39,244.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,328.18 : 127,987.48 = 26,163.69 : x
  2. Step 2: Convert to fraction form
    85,328.18/127,987.48 = 26,163.69/x
  3. Step 3: Cross multiply
    85,328.18x = 127,987.48 × 26,163.69
  4. Step 4: Simplify right side
    85,328.18x = 3,348,624,750.60
  5. Step 5: Solve for x
    x = 3,348,624,750.60/85,328.18
  6. Step 6: Final answer
    x = 39,244.07

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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.