Home / 243,003.08-335,359.14-135,573.32

Finding the Fourth Proportional to 243,003.08, 335,359.14 and 135,573.32

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Solution

The fourth proportional to 243,003.08, 335,359.14 and 135,573.32 is: 187,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,003.08 : 335,359.14 = 135,573.32 : x
  2. Step 2: Convert to fraction form
    243,003.08/335,359.14 = 135,573.32/x
  3. Step 3: Cross multiply
    243,003.08x = 335,359.14 × 135,573.32
  4. Step 4: Simplify right side
    243,003.08x = 45,465,752,002.14
  5. Step 5: Solve for x
    x = 45,465,752,002.14/243,003.08
  6. Step 6: Final answer
    x = 187,099.49

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1.5x scale

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.