Home / 89,719.80-134,579.70-60,228.60

Finding the Fourth Proportional to 89,719.80, 134,579.70 and 60,228.60

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Solution

The fourth proportional to 89,719.80, 134,579.70 and 60,228.60 is: 90,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,719.80 : 134,579.70 = 60,228.60 : x
  2. Step 2: Convert to fraction form
    89,719.80/134,579.70 = 60,228.60/x
  3. Step 3: Cross multiply
    89,719.80x = 134,579.70 × 60,228.60
  4. Step 4: Simplify right side
    89,719.80x = 8,105,546,919.42
  5. Step 5: Solve for x
    x = 8,105,546,919.42/89,719.80
  6. Step 6: Final answer
    x = 90,342.90

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1.5x scale

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.