Home / 141,590.40-195,326.48-87,937.80

Finding the Fourth Proportional to 141,590.40, 195,326.48 and 87,937.80

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Solution

The fourth proportional to 141,590.40, 195,326.48 and 87,937.80 is: 121,311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,590.40 : 195,326.48 = 87,937.80 : x
  2. Step 2: Convert to fraction form
    141,590.40/195,326.48 = 87,937.80/x
  3. Step 3: Cross multiply
    141,590.40x = 195,326.48 × 87,937.80
  4. Step 4: Simplify right side
    141,590.40x = 17,176,580,932.94
  5. Step 5: Solve for x
    x = 17,176,580,932.94/141,590.40
  6. Step 6: Final answer
    x = 121,311.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.