Home / 236,977.40-355,005.30-131,607.80

Finding the Fourth Proportional to 236,977.40, 355,005.30 and 131,607.80

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Solution

The fourth proportional to 236,977.40, 355,005.30 and 131,607.80 is: 197,155.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,977.40 : 355,005.30 = 131,607.80 : x
  2. Step 2: Convert to fraction form
    236,977.40/355,005.30 = 131,607.80/x
  3. Step 3: Cross multiply
    236,977.40x = 355,005.30 × 131,607.80
  4. Step 4: Simplify right side
    236,977.40x = 46,721,466,521.34
  5. Step 5: Solve for x
    x = 46,721,466,521.34/236,977.40
  6. Step 6: Final answer
    x = 197,155.79

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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.