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Finding the Fourth Proportional to 130,614.60, 196,009.28 and 47,508.60

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Solution

The fourth proportional to 130,614.60, 196,009.28 and 47,508.60 is: 71,294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,614.60 : 196,009.28 = 47,508.60 : x
  2. Step 2: Convert to fraction form
    130,614.60/196,009.28 = 47,508.60/x
  3. Step 3: Cross multiply
    130,614.60x = 196,009.28 × 47,508.60
  4. Step 4: Simplify right side
    130,614.60x = 9,312,126,479.81
  5. Step 5: Solve for x
    x = 9,312,126,479.81/130,614.60
  6. Step 6: Final answer
    x = 71,294.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.