Home / 81,997.06-113,140.92-46,179.40

Finding the Fourth Proportional to 81,997.06, 113,140.92 and 46,179.40

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Solution

The fourth proportional to 81,997.06, 113,140.92 and 46,179.40 is: 63,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,997.06 : 113,140.92 = 46,179.40 : x
  2. Step 2: Convert to fraction form
    81,997.06/113,140.92 = 46,179.40/x
  3. Step 3: Cross multiply
    81,997.06x = 113,140.92 × 46,179.40
  4. Step 4: Simplify right side
    81,997.06x = 5,224,779,801.05
  5. Step 5: Solve for x
    x = 5,224,779,801.05/81,997.06
  6. Step 6: Final answer
    x = 63,719.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.