Home / 130,204.20-195,723.90-120,959.40

Finding the Fourth Proportional to 130,204.20, 195,723.90 and 120,959.40

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Solution

The fourth proportional to 130,204.20, 195,723.90 and 120,959.40 is: 181,827.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,204.20 : 195,723.90 = 120,959.40 : x
  2. Step 2: Convert to fraction form
    130,204.20/195,723.90 = 120,959.40/x
  3. Step 3: Cross multiply
    130,204.20x = 195,723.90 × 120,959.40
  4. Step 4: Simplify right side
    130,204.20x = 23,674,645,509.66
  5. Step 5: Solve for x
    x = 23,674,645,509.66/130,204.20
  6. Step 6: Final answer
    x = 181,827.05

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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.