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Finding the Fourth Proportional to 130,280.08, 179,793.12 and 73,709.68

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Solution

The fourth proportional to 130,280.08, 179,793.12 and 73,709.68 is: 101,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,280.08 : 179,793.12 = 73,709.68 : x
  2. Step 2: Convert to fraction form
    130,280.08/179,793.12 = 73,709.68/x
  3. Step 3: Cross multiply
    130,280.08x = 179,793.12 × 73,709.68
  4. Step 4: Simplify right side
    130,280.08x = 13,252,493,341.40
  5. Step 5: Solve for x
    x = 13,252,493,341.40/130,280.08
  6. Step 6: Final answer
    x = 101,723.10

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