Home / 90,857.29-136,313.85-46,515.17

Finding the Fourth Proportional to 90,857.29, 136,313.85 and 46,515.17

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Solution

The fourth proportional to 90,857.29, 136,313.85 and 46,515.17 is: 69,787.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,857.29 : 136,313.85 = 46,515.17 : x
  2. Step 2: Convert to fraction form
    90,857.29/136,313.85 = 46,515.17/x
  3. Step 3: Cross multiply
    90,857.29x = 136,313.85 × 46,515.17
  4. Step 4: Simplify right side
    90,857.29x = 6,340,660,991.96
  5. Step 5: Solve for x
    x = 6,340,660,991.96/90,857.29
  6. Step 6: Final answer
    x = 69,787.04

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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.