Home / 130,005-194,860.08-59,739.12

Finding the Fourth Proportional to 130,005, 194,860.08 and 59,739.12

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Solution

The fourth proportional to 130,005, 194,860.08 and 59,739.12 is: 89,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,005 : 194,860.08 = 59,739.12 : x
  2. Step 2: Convert to fraction form
    130,005/194,860.08 = 59,739.12/x
  3. Step 3: Cross multiply
    130,005x = 194,860.08 × 59,739.12
  4. Step 4: Simplify right side
    130,005x = 11,640,769,702.33
  5. Step 5: Solve for x
    x = 11,640,769,702.33/130,005
  6. Step 6: Final answer
    x = 89,540.94

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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.