Home / 130,157.20-195,346.64-92,808.78

Finding the Fourth Proportional to 130,157.20, 195,346.64 and 92,808.78

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Solution

The fourth proportional to 130,157.20, 195,346.64 and 92,808.78 is: 139,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,157.20 : 195,346.64 = 92,808.78 : x
  2. Step 2: Convert to fraction form
    130,157.20/195,346.64 = 92,808.78/x
  3. Step 3: Cross multiply
    130,157.20x = 195,346.64 × 92,808.78
  4. Step 4: Simplify right side
    130,157.20x = 18,129,883,335.50
  5. Step 5: Solve for x
    x = 18,129,883,335.50/130,157.20
  6. Step 6: Final answer
    x = 139,292.20

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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.