Home / 81,966.60-113,112.84-46,160.16

Finding the Fourth Proportional to 81,966.60, 113,112.84 and 46,160.16

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Solution

The fourth proportional to 81,966.60, 113,112.84 and 46,160.16 is: 63,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,966.60 : 113,112.84 = 46,160.16 : x
  2. Step 2: Convert to fraction form
    81,966.60/113,112.84 = 46,160.16/x
  3. Step 3: Cross multiply
    81,966.60x = 113,112.84 × 46,160.16
  4. Step 4: Simplify right side
    81,966.60x = 5,221,306,792.45
  5. Step 5: Solve for x
    x = 5,221,306,792.45/81,966.60
  6. Step 6: Final answer
    x = 63,700.42

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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.