Home / 91,130.90-136,684.33-27,087.67

Finding the Fourth Proportional to 91,130.90, 136,684.33 and 27,087.67

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Solution

The fourth proportional to 91,130.90, 136,684.33 and 27,087.67 is: 40,627.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,130.90 : 136,684.33 = 27,087.67 : x
  2. Step 2: Convert to fraction form
    91,130.90/136,684.33 = 27,087.67/x
  3. Step 3: Cross multiply
    91,130.90x = 136,684.33 × 27,087.67
  4. Step 4: Simplify right side
    91,130.90x = 3,702,460,280.72
  5. Step 5: Solve for x
    x = 3,702,460,280.72/91,130.90
  6. Step 6: Final answer
    x = 40,627.94

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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.