Home / 146,986.68-220,447.62-47,127.72

Finding the Fourth Proportional to 146,986.68, 220,447.62 and 47,127.72

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Solution

The fourth proportional to 146,986.68, 220,447.62 and 47,127.72 is: 70,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,986.68 : 220,447.62 = 47,127.72 : x
  2. Step 2: Convert to fraction form
    146,986.68/220,447.62 = 47,127.72/x
  3. Step 3: Cross multiply
    146,986.68x = 220,447.62 × 47,127.72
  4. Step 4: Simplify right side
    146,986.68x = 10,389,193,710.03
  5. Step 5: Solve for x
    x = 10,389,193,710.03/146,986.68
  6. Step 6: Final answer
    x = 70,681.19

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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.