Home / 130,169.60-195,254.40-51,257.60

Finding the Fourth Proportional to 130,169.60, 195,254.40 and 51,257.60

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Solution

The fourth proportional to 130,169.60, 195,254.40 and 51,257.60 is: 76,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,169.60 : 195,254.40 = 51,257.60 : x
  2. Step 2: Convert to fraction form
    130,169.60/195,254.40 = 51,257.60/x
  3. Step 3: Cross multiply
    130,169.60x = 195,254.40 × 51,257.60
  4. Step 4: Simplify right side
    130,169.60x = 10,008,271,933.44
  5. Step 5: Solve for x
    x = 10,008,271,933.44/130,169.60
  6. Step 6: Final answer
    x = 76,886.40

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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.