Home / 141,708.96-195,556.68-78,045.48

Finding the Fourth Proportional to 141,708.96, 195,556.68 and 78,045.48

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Solution

The fourth proportional to 141,708.96, 195,556.68 and 78,045.48 is: 107,701.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,708.96 : 195,556.68 = 78,045.48 : x
  2. Step 2: Convert to fraction form
    141,708.96/195,556.68 = 78,045.48/x
  3. Step 3: Cross multiply
    141,708.96x = 195,556.68 × 78,045.48
  4. Step 4: Simplify right side
    141,708.96x = 15,262,314,957.81
  5. Step 5: Solve for x
    x = 15,262,314,957.81/141,708.96
  6. Step 6: Final answer
    x = 107,701.83

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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.