Home / 90,482.20-135,767.46-63,998.35

Finding the Fourth Proportional to 90,482.20, 135,767.46 and 63,998.35

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Solution

The fourth proportional to 90,482.20, 135,767.46 and 63,998.35 is: 96,028.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,482.20 : 135,767.46 = 63,998.35 : x
  2. Step 2: Convert to fraction form
    90,482.20/135,767.46 = 63,998.35/x
  3. Step 3: Cross multiply
    90,482.20x = 135,767.46 × 63,998.35
  4. Step 4: Simplify right side
    90,482.20x = 8,688,893,423.69
  5. Step 5: Solve for x
    x = 8,688,893,423.69/90,482.20
  6. Step 6: Final answer
    x = 96,028.76

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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.