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Finding the Fourth Proportional to 130,179.60, 179,625.60 and 73,589.76

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Solution

The fourth proportional to 130,179.60, 179,625.60 and 73,589.76 is: 101,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,179.60 : 179,625.60 = 73,589.76 : x
  2. Step 2: Convert to fraction form
    130,179.60/179,625.60 = 73,589.76/x
  3. Step 3: Cross multiply
    130,179.60x = 179,625.60 × 73,589.76
  4. Step 4: Simplify right side
    130,179.60x = 13,218,604,793.86
  5. Step 5: Solve for x
    x = 13,218,604,793.86/130,179.60
  6. Step 6: Final answer
    x = 101,541.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.