Home / 135,438.15-186,812.15-92,922.87

Finding the Fourth Proportional to 135,438.15, 186,812.15 and 92,922.87

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Solution

The fourth proportional to 135,438.15, 186,812.15 and 92,922.87 is: 128,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,438.15 : 186,812.15 = 92,922.87 : x
  2. Step 2: Convert to fraction form
    135,438.15/186,812.15 = 92,922.87/x
  3. Step 3: Cross multiply
    135,438.15x = 186,812.15 × 92,922.87
  4. Step 4: Simplify right side
    135,438.15x = 17,359,120,664.26
  5. Step 5: Solve for x
    x = 17,359,120,664.26/135,438.15
  6. Step 6: Final answer
    x = 128,170.10

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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.