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Finding the Fourth Proportional to 130,046.56, 179,464.16 and 70,430.56

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Solution

The fourth proportional to 130,046.56, 179,464.16 and 70,430.56 is: 97,194.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,046.56 : 179,464.16 = 70,430.56 : x
  2. Step 2: Convert to fraction form
    130,046.56/179,464.16 = 70,430.56/x
  3. Step 3: Cross multiply
    130,046.56x = 179,464.16 × 70,430.56
  4. Step 4: Simplify right side
    130,046.56x = 12,639,761,288.73
  5. Step 5: Solve for x
    x = 12,639,761,288.73/130,046.56
  6. Step 6: Final answer
    x = 97,194.12

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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.