Home / 97,686.30-146,172.70-57,724.35

Finding the Fourth Proportional to 97,686.30, 146,172.70 and 57,724.35

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Solution

The fourth proportional to 97,686.30, 146,172.70 and 57,724.35 is: 86,375.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,686.30 : 146,172.70 = 57,724.35 : x
  2. Step 2: Convert to fraction form
    97,686.30/146,172.70 = 57,724.35/x
  3. Step 3: Cross multiply
    97,686.30x = 146,172.70 × 57,724.35
  4. Step 4: Simplify right side
    97,686.30x = 8,437,723,619.25
  5. Step 5: Solve for x
    x = 8,437,723,619.25/97,686.30
  6. Step 6: Final answer
    x = 86,375.71

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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.