Home / 146,271.81-201,855.10-79,203.81

Finding the Fourth Proportional to 146,271.81, 201,855.10 and 79,203.81

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Solution

The fourth proportional to 146,271.81, 201,855.10 and 79,203.81 is: 109,301.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,271.81 : 201,855.10 = 79,203.81 : x
  2. Step 2: Convert to fraction form
    146,271.81/201,855.10 = 79,203.81/x
  3. Step 3: Cross multiply
    146,271.81x = 201,855.10 × 79,203.81
  4. Step 4: Simplify right side
    146,271.81x = 15,987,692,987.93
  5. Step 5: Solve for x
    x = 15,987,692,987.93/146,271.81
  6. Step 6: Final answer
    x = 109,301.26

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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.