Home / 97,991.79-146,940.15-57,476.36

Finding the Fourth Proportional to 97,991.79, 146,940.15 and 57,476.36

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Solution

The fourth proportional to 97,991.79, 146,940.15 and 57,476.36 is: 86,186.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,991.79 : 146,940.15 = 57,476.36 : x
  2. Step 2: Convert to fraction form
    97,991.79/146,940.15 = 57,476.36/x
  3. Step 3: Cross multiply
    97,991.79x = 146,940.15 × 57,476.36
  4. Step 4: Simplify right side
    97,991.79x = 8,445,585,327.20
  5. Step 5: Solve for x
    x = 8,445,585,327.20/97,991.79
  6. Step 6: Final answer
    x = 86,186.66

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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.