Home / 136,182.96-187,880.78-84,476.07

Finding the Fourth Proportional to 136,182.96, 187,880.78 and 84,476.07

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Solution

The fourth proportional to 136,182.96, 187,880.78 and 84,476.07 is: 116,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,182.96 : 187,880.78 = 84,476.07 : x
  2. Step 2: Convert to fraction form
    136,182.96/187,880.78 = 84,476.07/x
  3. Step 3: Cross multiply
    136,182.96x = 187,880.78 × 84,476.07
  4. Step 4: Simplify right side
    136,182.96x = 15,871,429,500.55
  5. Step 5: Solve for x
    x = 15,871,429,500.55/136,182.96
  6. Step 6: Final answer
    x = 116,544.90

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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.