Home / 88,729.60-133,094.40-57,236.80

Finding the Fourth Proportional to 88,729.60, 133,094.40 and 57,236.80

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Solution

The fourth proportional to 88,729.60, 133,094.40 and 57,236.80 is: 85,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,729.60 : 133,094.40 = 57,236.80 : x
  2. Step 2: Convert to fraction form
    88,729.60/133,094.40 = 57,236.80/x
  3. Step 3: Cross multiply
    88,729.60x = 133,094.40 × 57,236.80
  4. Step 4: Simplify right side
    88,729.60x = 7,617,897,553.92
  5. Step 5: Solve for x
    x = 7,617,897,553.92/88,729.60
  6. Step 6: Final answer
    x = 85,855.20

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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.