Home / 89,218.20-133,827.30-87,835.80

Finding the Fourth Proportional to 89,218.20, 133,827.30 and 87,835.80

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Solution

The fourth proportional to 89,218.20, 133,827.30 and 87,835.80 is: 131,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,218.20 : 133,827.30 = 87,835.80 : x
  2. Step 2: Convert to fraction form
    89,218.20/133,827.30 = 87,835.80/x
  3. Step 3: Cross multiply
    89,218.20x = 133,827.30 × 87,835.80
  4. Step 4: Simplify right side
    89,218.20x = 11,754,827,957.34
  5. Step 5: Solve for x
    x = 11,754,827,957.34/89,218.20
  6. Step 6: Final answer
    x = 131,753.70

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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.