Home / 89,622.40-134,271.60-52,151.80

Finding the Fourth Proportional to 89,622.40, 134,271.60 and 52,151.80

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Solution

The fourth proportional to 89,622.40, 134,271.60 and 52,151.80 is: 78,133.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,622.40 : 134,271.60 = 52,151.80 : x
  2. Step 2: Convert to fraction form
    89,622.40/134,271.60 = 52,151.80/x
  3. Step 3: Cross multiply
    89,622.40x = 134,271.60 × 52,151.80
  4. Step 4: Simplify right side
    89,622.40x = 7,002,505,628.88
  5. Step 5: Solve for x
    x = 7,002,505,628.88/89,622.40
  6. Step 6: Final answer
    x = 78,133.43

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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.