Home / 57,139.02-85,688.46-17,146.08

Finding the Fourth Proportional to 57,139.02, 85,688.46 and 17,146.08

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Solution

The fourth proportional to 57,139.02, 85,688.46 and 17,146.08 is: 25,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,139.02 : 85,688.46 = 17,146.08 : x
  2. Step 2: Convert to fraction form
    57,139.02/85,688.46 = 17,146.08/x
  3. Step 3: Cross multiply
    57,139.02x = 85,688.46 × 17,146.08
  4. Step 4: Simplify right side
    57,139.02x = 1,469,221,190.24
  5. Step 5: Solve for x
    x = 1,469,221,190.24/57,139.02
  6. Step 6: Final answer
    x = 25,713.10

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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.