Home / 164,865.20-247,297.80-115,001.60

Finding the Fourth Proportional to 164,865.20, 247,297.80 and 115,001.60

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Solution

The fourth proportional to 164,865.20, 247,297.80 and 115,001.60 is: 172,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,865.20 : 247,297.80 = 115,001.60 : x
  2. Step 2: Convert to fraction form
    164,865.20/247,297.80 = 115,001.60/x
  3. Step 3: Cross multiply
    164,865.20x = 247,297.80 × 115,001.60
  4. Step 4: Simplify right side
    164,865.20x = 28,439,642,676.48
  5. Step 5: Solve for x
    x = 28,439,642,676.48/164,865.20
  6. Step 6: Final answer
    x = 172,502.40

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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.