Home / 141,860.19-195,780.85-105,987.93

Finding the Fourth Proportional to 141,860.19, 195,780.85 and 105,987.93

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Solution

The fourth proportional to 141,860.19, 195,780.85 and 105,987.93 is: 146,273.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,860.19 : 195,780.85 = 105,987.93 : x
  2. Step 2: Convert to fraction form
    141,860.19/195,780.85 = 105,987.93/x
  3. Step 3: Cross multiply
    141,860.19x = 195,780.85 × 105,987.93
  4. Step 4: Simplify right side
    141,860.19x = 20,750,406,025.99
  5. Step 5: Solve for x
    x = 20,750,406,025.99/141,860.19
  6. Step 6: Final answer
    x = 146,273.63

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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.