Home / 146,272.81-201,856.48-79,204.81

Finding the Fourth Proportional to 146,272.81, 201,856.48 and 79,204.81

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Solution

The fourth proportional to 146,272.81, 201,856.48 and 79,204.81 is: 109,302.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,272.81 : 201,856.48 = 79,204.81 : x
  2. Step 2: Convert to fraction form
    146,272.81/201,856.48 = 79,204.81/x
  3. Step 3: Cross multiply
    146,272.81x = 201,856.48 × 79,204.81
  4. Step 4: Simplify right side
    146,272.81x = 15,988,004,145.67
  5. Step 5: Solve for x
    x = 15,988,004,145.67/146,272.81
  6. Step 6: Final answer
    x = 109,302.64

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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.