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Finding the Fourth Proportional to 130,167.60, 195,251.40 and 120,836.40

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Solution

The fourth proportional to 130,167.60, 195,251.40 and 120,836.40 is: 181,254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,167.60 : 195,251.40 = 120,836.40 : x
  2. Step 2: Convert to fraction form
    130,167.60/195,251.40 = 120,836.40/x
  3. Step 3: Cross multiply
    130,167.60x = 195,251.40 × 120,836.40
  4. Step 4: Simplify right side
    130,167.60x = 23,593,476,270.96
  5. Step 5: Solve for x
    x = 23,593,476,270.96/130,167.60
  6. Step 6: Final answer
    x = 181,254.60

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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.