Home / 146,135.61-201,609.75-84,871.37

Finding the Fourth Proportional to 146,135.61, 201,609.75 and 84,871.37

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Solution

The fourth proportional to 146,135.61, 201,609.75 and 84,871.37 is: 117,089.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,135.61 : 201,609.75 = 84,871.37 : x
  2. Step 2: Convert to fraction form
    146,135.61/201,609.75 = 84,871.37/x
  3. Step 3: Cross multiply
    146,135.61x = 201,609.75 × 84,871.37
  4. Step 4: Simplify right side
    146,135.61x = 17,110,895,687.86
  5. Step 5: Solve for x
    x = 17,110,895,687.86/146,135.61
  6. Step 6: Final answer
    x = 117,089.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.