Home / 141,317.91-195,018.12-80,888.25

Finding the Fourth Proportional to 141,317.91, 195,018.12 and 80,888.25

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Solution

The fourth proportional to 141,317.91, 195,018.12 and 80,888.25 is: 111,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,317.91 : 195,018.12 = 80,888.25 : x
  2. Step 2: Convert to fraction form
    141,317.91/195,018.12 = 80,888.25/x
  3. Step 3: Cross multiply
    141,317.91x = 195,018.12 × 80,888.25
  4. Step 4: Simplify right side
    141,317.91x = 15,774,674,445.09
  5. Step 5: Solve for x
    x = 15,774,674,445.09/141,317.91
  6. Step 6: Final answer
    x = 111,625.44

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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.