Home / 135,768.32-203,653.28-40,998.72

Finding the Fourth Proportional to 135,768.32, 203,653.28 and 40,998.72

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Solution

The fourth proportional to 135,768.32, 203,653.28 and 40,998.72 is: 61,498.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,768.32 : 203,653.28 = 40,998.72 : x
  2. Step 2: Convert to fraction form
    135,768.32/203,653.28 = 40,998.72/x
  3. Step 3: Cross multiply
    135,768.32x = 203,653.28 × 40,998.72
  4. Step 4: Simplify right side
    135,768.32x = 8,349,523,803.80
  5. Step 5: Solve for x
    x = 8,349,523,803.80/135,768.32
  6. Step 6: Final answer
    x = 61,498.32

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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.