Home / 87,052.28-119,349.76-85,477.64

Finding the Fourth Proportional to 87,052.28, 119,349.76 and 85,477.64

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Solution

The fourth proportional to 87,052.28, 119,349.76 and 85,477.64 is: 117,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,052.28 : 119,349.76 = 85,477.64 : x
  2. Step 2: Convert to fraction form
    87,052.28/119,349.76 = 85,477.64/x
  3. Step 3: Cross multiply
    87,052.28x = 119,349.76 × 85,477.64
  4. Step 4: Simplify right side
    87,052.28x = 10,201,735,819.37
  5. Step 5: Solve for x
    x = 10,201,735,819.37/87,052.28
  6. Step 6: Final answer
    x = 117,190.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.