Home / 102,110.54-153,005.78-64,591.36

Finding the Fourth Proportional to 102,110.54, 153,005.78 and 64,591.36

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Solution

The fourth proportional to 102,110.54, 153,005.78 and 64,591.36 is: 96,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,110.54 : 153,005.78 = 64,591.36 : x
  2. Step 2: Convert to fraction form
    102,110.54/153,005.78 = 64,591.36/x
  3. Step 3: Cross multiply
    102,110.54x = 153,005.78 × 64,591.36
  4. Step 4: Simplify right side
    102,110.54x = 9,882,851,197.02
  5. Step 5: Solve for x
    x = 9,882,851,197.02/102,110.54
  6. Step 6: Final answer
    x = 96,785.81

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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.