Home / 97,731.36-146,476.80-55,646.88

Finding the Fourth Proportional to 97,731.36, 146,476.80 and 55,646.88

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Solution

The fourth proportional to 97,731.36, 146,476.80 and 55,646.88 is: 83,401.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,731.36 : 146,476.80 = 55,646.88 : x
  2. Step 2: Convert to fraction form
    97,731.36/146,476.80 = 55,646.88/x
  3. Step 3: Cross multiply
    97,731.36x = 146,476.80 × 55,646.88
  4. Step 4: Simplify right side
    97,731.36x = 8,150,976,912.38
  5. Step 5: Solve for x
    x = 8,150,976,912.38/97,731.36
  6. Step 6: Final answer
    x = 83,401.86

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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.