Home / 90,251.84-135,426.96-40,329.92

Finding the Fourth Proportional to 90,251.84, 135,426.96 and 40,329.92

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Solution

The fourth proportional to 90,251.84, 135,426.96 and 40,329.92 is: 60,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,251.84 : 135,426.96 = 40,329.92 : x
  2. Step 2: Convert to fraction form
    90,251.84/135,426.96 = 40,329.92/x
  3. Step 3: Cross multiply
    90,251.84x = 135,426.96 × 40,329.92
  4. Step 4: Simplify right side
    90,251.84x = 5,461,757,785.51
  5. Step 5: Solve for x
    x = 5,461,757,785.51/90,251.84
  6. Step 6: Final answer
    x = 60,516.86

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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.