Home / 130,645.67-195,968.79-35,877.15

Finding the Fourth Proportional to 130,645.67, 195,968.79 and 35,877.15

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Solution

The fourth proportional to 130,645.67, 195,968.79 and 35,877.15 is: 53,815.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,645.67 : 195,968.79 = 35,877.15 : x
  2. Step 2: Convert to fraction form
    130,645.67/195,968.79 = 35,877.15/x
  3. Step 3: Cross multiply
    130,645.67x = 195,968.79 × 35,877.15
  4. Step 4: Simplify right side
    130,645.67x = 7,030,801,674.15
  5. Step 5: Solve for x
    x = 7,030,801,674.15/130,645.67
  6. Step 6: Final answer
    x = 53,815.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.