Home / 91,130.38-136,683.57-27,087.16

Finding the Fourth Proportional to 91,130.38, 136,683.57 and 27,087.16

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Solution

The fourth proportional to 91,130.38, 136,683.57 and 27,087.16 is: 40,627.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,130.38 : 136,683.57 = 27,087.16 : x
  2. Step 2: Convert to fraction form
    91,130.38/136,683.57 = 27,087.16/x
  3. Step 3: Cross multiply
    91,130.38x = 136,683.57 × 27,087.16
  4. Step 4: Simplify right side
    91,130.38x = 3,702,369,729.96
  5. Step 5: Solve for x
    x = 3,702,369,729.96/91,130.38
  6. Step 6: Final answer
    x = 40,627.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.