Home / 86,133.72-118,853.96-50,297.70

Finding the Fourth Proportional to 86,133.72, 118,853.96 and 50,297.70

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Solution

The fourth proportional to 86,133.72, 118,853.96 and 50,297.70 is: 69,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,133.72 : 118,853.96 = 50,297.70 : x
  2. Step 2: Convert to fraction form
    86,133.72/118,853.96 = 50,297.70/x
  3. Step 3: Cross multiply
    86,133.72x = 118,853.96 × 50,297.70
  4. Step 4: Simplify right side
    86,133.72x = 5,978,080,572.40
  5. Step 5: Solve for x
    x = 5,978,080,572.40/86,133.72
  6. Step 6: Final answer
    x = 69,404.65

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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.