Home / 206,106.80-284,445.42-115,461.32

Finding the Fourth Proportional to 206,106.80, 284,445.42 and 115,461.32

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Solution

The fourth proportional to 206,106.80, 284,445.42 and 115,461.32 is: 159,346.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,106.80 : 284,445.42 = 115,461.32 : x
  2. Step 2: Convert to fraction form
    206,106.80/284,445.42 = 115,461.32/x
  3. Step 3: Cross multiply
    206,106.80x = 284,445.42 × 115,461.32
  4. Step 4: Simplify right side
    206,106.80x = 32,842,443,661.15
  5. Step 5: Solve for x
    x = 32,842,443,661.15/206,106.80
  6. Step 6: Final answer
    x = 159,346.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.