Home / 91,373.27-136,722.87-55,370.45

Finding the Fourth Proportional to 91,373.27, 136,722.87 and 55,370.45

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Solution

The fourth proportional to 91,373.27, 136,722.87 and 55,370.45 is: 82,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,373.27 : 136,722.87 = 55,370.45 : x
  2. Step 2: Convert to fraction form
    91,373.27/136,722.87 = 55,370.45/x
  3. Step 3: Cross multiply
    91,373.27x = 136,722.87 × 55,370.45
  4. Step 4: Simplify right side
    91,373.27x = 7,570,407,179.00
  5. Step 5: Solve for x
    x = 7,570,407,179.00/91,373.27
  6. Step 6: Final answer
    x = 82,851.45

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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.