Home / 236,960.10-355,580.55-87,305.58

Finding the Fourth Proportional to 236,960.10, 355,580.55 and 87,305.58

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Solution

The fourth proportional to 236,960.10, 355,580.55 and 87,305.58 is: 131,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,960.10 : 355,580.55 = 87,305.58 : x
  2. Step 2: Convert to fraction form
    236,960.10/355,580.55 = 87,305.58/x
  3. Step 3: Cross multiply
    236,960.10x = 355,580.55 × 87,305.58
  4. Step 4: Simplify right side
    236,960.10x = 31,044,166,154.47
  5. Step 5: Solve for x
    x = 31,044,166,154.47/236,960.10
  6. Step 6: Final answer
    x = 131,010.10

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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.