Home / 85,090.20-127,653.72-25,924.32

Finding the Fourth Proportional to 85,090.20, 127,653.72 and 25,924.32

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Solution

The fourth proportional to 85,090.20, 127,653.72 and 25,924.32 is: 38,892.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,090.20 : 127,653.72 = 25,924.32 : x
  2. Step 2: Convert to fraction form
    85,090.20/127,653.72 = 25,924.32/x
  3. Step 3: Cross multiply
    85,090.20x = 127,653.72 × 25,924.32
  4. Step 4: Simplify right side
    85,090.20x = 3,309,335,886.47
  5. Step 5: Solve for x
    x = 3,309,335,886.47/85,090.20
  6. Step 6: Final answer
    x = 38,892.09

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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.