Home / 90,992.45-136,515.31-46,650.15

Finding the Fourth Proportional to 90,992.45, 136,515.31 and 46,650.15

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Solution

The fourth proportional to 90,992.45, 136,515.31 and 46,650.15 is: 69,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,992.45 : 136,515.31 = 46,650.15 : x
  2. Step 2: Convert to fraction form
    90,992.45/136,515.31 = 46,650.15/x
  3. Step 3: Cross multiply
    90,992.45x = 136,515.31 × 46,650.15
  4. Step 4: Simplify right side
    90,992.45x = 6,368,459,572.17
  5. Step 5: Solve for x
    x = 6,368,459,572.17/90,992.45
  6. Step 6: Final answer
    x = 69,988.88

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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.