Home / 135,758.42-203,666.88-40,980.66

Finding the Fourth Proportional to 135,758.42, 203,666.88 and 40,980.66

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Solution

The fourth proportional to 135,758.42, 203,666.88 and 40,980.66 is: 61,479.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,758.42 : 203,666.88 = 40,980.66 : x
  2. Step 2: Convert to fraction form
    135,758.42/203,666.88 = 40,980.66/x
  3. Step 3: Cross multiply
    135,758.42x = 203,666.88 × 40,980.66
  4. Step 4: Simplify right side
    135,758.42x = 8,346,403,162.54
  5. Step 5: Solve for x
    x = 8,346,403,162.54/135,758.42
  6. Step 6: Final answer
    x = 61,479.82

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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.