Home / 252,007.10-378,010.65-112,039.10

Finding the Fourth Proportional to 252,007.10, 378,010.65 and 112,039.10

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Solution

The fourth proportional to 252,007.10, 378,010.65 and 112,039.10 is: 168,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,007.10 : 378,010.65 = 112,039.10 : x
  2. Step 2: Convert to fraction form
    252,007.10/378,010.65 = 112,039.10/x
  3. Step 3: Cross multiply
    252,007.10x = 378,010.65 × 112,039.10
  4. Step 4: Simplify right side
    252,007.10x = 42,351,973,016.42
  5. Step 5: Solve for x
    x = 42,351,973,016.42/252,007.10
  6. Step 6: Final answer
    x = 168,058.65

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1.5x scale

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.