Home / 168,368.49-252,621.99-123,618.35

Finding the Fourth Proportional to 168,368.49, 252,621.99 and 123,618.35

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Solution

The fourth proportional to 168,368.49, 252,621.99 and 123,618.35 is: 185,478.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,368.49 : 252,621.99 = 123,618.35 : x
  2. Step 2: Convert to fraction form
    168,368.49/252,621.99 = 123,618.35/x
  3. Step 3: Cross multiply
    168,368.49x = 252,621.99 × 123,618.35
  4. Step 4: Simplify right side
    168,368.49x = 31,228,714,209.07
  5. Step 5: Solve for x
    x = 31,228,714,209.07/168,368.49
  6. Step 6: Final answer
    x = 185,478.38

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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.