Home / 102,101.96-153,052.94-57,145.27

Finding the Fourth Proportional to 102,101.96, 153,052.94 and 57,145.27

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Solution

The fourth proportional to 102,101.96, 153,052.94 and 57,145.27 is: 85,661.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,101.96 : 153,052.94 = 57,145.27 : x
  2. Step 2: Convert to fraction form
    102,101.96/153,052.94 = 57,145.27/x
  3. Step 3: Cross multiply
    102,101.96x = 153,052.94 × 57,145.27
  4. Step 4: Simplify right side
    102,101.96x = 8,746,251,580.59
  5. Step 5: Solve for x
    x = 8,746,251,580.59/102,101.96
  6. Step 6: Final answer
    x = 85,661.94

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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.