Home / 128,150.37-176,846.79-70,793.62

Finding the Fourth Proportional to 128,150.37, 176,846.79 and 70,793.62

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Solution

The fourth proportional to 128,150.37, 176,846.79 and 70,793.62 is: 97,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,150.37 : 176,846.79 = 70,793.62 : x
  2. Step 2: Convert to fraction form
    128,150.37/176,846.79 = 70,793.62/x
  3. Step 3: Cross multiply
    128,150.37x = 176,846.79 × 70,793.62
  4. Step 4: Simplify right side
    128,150.37x = 12,519,624,449.48
  5. Step 5: Solve for x
    x = 12,519,624,449.48/128,150.37
  6. Step 6: Final answer
    x = 97,694.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.