Home / 90,708.42-136,076.73-46,311.15

Finding the Fourth Proportional to 90,708.42, 136,076.73 and 46,311.15

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Solution

The fourth proportional to 90,708.42, 136,076.73 and 46,311.15 is: 69,473.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,708.42 : 136,076.73 = 46,311.15 : x
  2. Step 2: Convert to fraction form
    90,708.42/136,076.73 = 46,311.15/x
  3. Step 3: Cross multiply
    90,708.42x = 136,076.73 × 46,311.15
  4. Step 4: Simplify right side
    90,708.42x = 6,301,869,854.54
  5. Step 5: Solve for x
    x = 6,301,869,854.54/90,708.42
  6. Step 6: Final answer
    x = 69,473.92

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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.