Home / 90,854.79-136,310.04-46,512.96

Finding the Fourth Proportional to 90,854.79, 136,310.04 and 46,512.96

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Solution

The fourth proportional to 90,854.79, 136,310.04 and 46,512.96 is: 69,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,854.79 : 136,310.04 = 46,512.96 : x
  2. Step 2: Convert to fraction form
    90,854.79/136,310.04 = 46,512.96/x
  3. Step 3: Cross multiply
    90,854.79x = 136,310.04 × 46,512.96
  4. Step 4: Simplify right side
    90,854.79x = 6,340,183,438.12
  5. Step 5: Solve for x
    x = 6,340,183,438.12/90,854.79
  6. Step 6: Final answer
    x = 69,783.70

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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.