Home / 97,777.88-146,708.96-52,790.30

Finding the Fourth Proportional to 97,777.88, 146,708.96 and 52,790.30

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Solution

The fourth proportional to 97,777.88, 146,708.96 and 52,790.30 is: 79,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,777.88 : 146,708.96 = 52,790.30 : x
  2. Step 2: Convert to fraction form
    97,777.88/146,708.96 = 52,790.30/x
  3. Step 3: Cross multiply
    97,777.88x = 146,708.96 × 52,790.30
  4. Step 4: Simplify right side
    97,777.88x = 7,744,810,011.09
  5. Step 5: Solve for x
    x = 7,744,810,011.09/97,777.88
  6. Step 6: Final answer
    x = 79,208.20

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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.