Home / 85,266.30-127,877.63-25,280.75

Finding the Fourth Proportional to 85,266.30, 127,877.63 and 25,280.75

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Solution

The fourth proportional to 85,266.30, 127,877.63 and 25,280.75 is: 37,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,266.30 : 127,877.63 = 25,280.75 : x
  2. Step 2: Convert to fraction form
    85,266.30/127,877.63 = 25,280.75/x
  3. Step 3: Cross multiply
    85,266.30x = 127,877.63 × 25,280.75
  4. Step 4: Simplify right side
    85,266.30x = 3,232,841,723.63
  5. Step 5: Solve for x
    x = 3,232,841,723.63/85,266.30
  6. Step 6: Final answer
    x = 37,914.65

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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.