Home / 89,116.20-133,674.30-54,037.80

Finding the Fourth Proportional to 89,116.20, 133,674.30 and 54,037.80

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Solution

The fourth proportional to 89,116.20, 133,674.30 and 54,037.80 is: 81,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,116.20 : 133,674.30 = 54,037.80 : x
  2. Step 2: Convert to fraction form
    89,116.20/133,674.30 = 54,037.80/x
  3. Step 3: Cross multiply
    89,116.20x = 133,674.30 × 54,037.80
  4. Step 4: Simplify right side
    89,116.20x = 7,223,465,088.54
  5. Step 5: Solve for x
    x = 7,223,465,088.54/89,116.20
  6. Step 6: Final answer
    x = 81,056.70

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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.