Home / 115,780.60-173,606.10-49,209.40

Finding the Fourth Proportional to 115,780.60, 173,606.10 and 49,209.40

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Solution

The fourth proportional to 115,780.60, 173,606.10 and 49,209.40 is: 73,786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,780.60 : 173,606.10 = 49,209.40 : x
  2. Step 2: Convert to fraction form
    115,780.60/173,606.10 = 49,209.40/x
  3. Step 3: Cross multiply
    115,780.60x = 173,606.10 × 49,209.40
  4. Step 4: Simplify right side
    115,780.60x = 8,543,052,017.34
  5. Step 5: Solve for x
    x = 8,543,052,017.34/115,780.60
  6. Step 6: Final answer
    x = 73,786.56

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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.