Home / 113,379.20-170,133.60-43,308.80

Finding the Fourth Proportional to 113,379.20, 170,133.60 and 43,308.80

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Solution

The fourth proportional to 113,379.20, 170,133.60 and 43,308.80 is: 64,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,379.20 : 170,133.60 = 43,308.80 : x
  2. Step 2: Convert to fraction form
    113,379.20/170,133.60 = 43,308.80/x
  3. Step 3: Cross multiply
    113,379.20x = 170,133.60 × 43,308.80
  4. Step 4: Simplify right side
    113,379.20x = 7,368,282,055.68
  5. Step 5: Solve for x
    x = 7,368,282,055.68/113,379.20
  6. Step 6: Final answer
    x = 64,987.95

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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.