Home / 88,864.40-133,296.60-81,606.80

Finding the Fourth Proportional to 88,864.40, 133,296.60 and 81,606.80

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Solution

The fourth proportional to 88,864.40, 133,296.60 and 81,606.80 is: 122,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,864.40 : 133,296.60 = 81,606.80 : x
  2. Step 2: Convert to fraction form
    88,864.40/133,296.60 = 81,606.80/x
  3. Step 3: Cross multiply
    88,864.40x = 133,296.60 × 81,606.80
  4. Step 4: Simplify right side
    88,864.40x = 10,877,908,976.88
  5. Step 5: Solve for x
    x = 10,877,908,976.88/88,864.40
  6. Step 6: Final answer
    x = 122,410.20

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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.