Home / 141,345.96-195,059.72-80,916.36

Finding the Fourth Proportional to 141,345.96, 195,059.72 and 80,916.36

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Solution

The fourth proportional to 141,345.96, 195,059.72 and 80,916.36 is: 111,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,345.96 : 195,059.72 = 80,916.36 : x
  2. Step 2: Convert to fraction form
    141,345.96/195,059.72 = 80,916.36/x
  3. Step 3: Cross multiply
    141,345.96x = 195,059.72 × 80,916.36
  4. Step 4: Simplify right side
    141,345.96x = 15,783,522,525.02
  5. Step 5: Solve for x
    x = 15,783,522,525.02/141,345.96
  6. Step 6: Final answer
    x = 111,665.89

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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.