Home / 141,722.64-195,562.68-87,266.16

Finding the Fourth Proportional to 141,722.64, 195,562.68 and 87,266.16

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Solution

The fourth proportional to 141,722.64, 195,562.68 and 87,266.16 is: 120,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,722.64 : 195,562.68 = 87,266.16 : x
  2. Step 2: Convert to fraction form
    141,722.64/195,562.68 = 87,266.16/x
  3. Step 3: Cross multiply
    141,722.64x = 195,562.68 × 87,266.16
  4. Step 4: Simplify right side
    141,722.64x = 17,066,004,122.91
  5. Step 5: Solve for x
    x = 17,066,004,122.91/141,722.64
  6. Step 6: Final answer
    x = 120,418.33

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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.