Home / 142,588.20-196,792.46-82,147.08

Finding the Fourth Proportional to 142,588.20, 196,792.46 and 82,147.08

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Solution

The fourth proportional to 142,588.20, 196,792.46 and 82,147.08 is: 113,374.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,588.20 : 196,792.46 = 82,147.08 : x
  2. Step 2: Convert to fraction form
    142,588.20/196,792.46 = 82,147.08/x
  3. Step 3: Cross multiply
    142,588.20x = 196,792.46 × 82,147.08
  4. Step 4: Simplify right side
    142,588.20x = 16,165,925,955.02
  5. Step 5: Solve for x
    x = 16,165,925,955.02/142,588.20
  6. Step 6: Final answer
    x = 113,374.92

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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.