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Finding the Fourth Proportional to 130,504.15, 195,802.70 and 80,526.04

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Solution

The fourth proportional to 130,504.15, 195,802.70 and 80,526.04 is: 120,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,504.15 : 195,802.70 = 80,526.04 : x
  2. Step 2: Convert to fraction form
    130,504.15/195,802.70 = 80,526.04/x
  3. Step 3: Cross multiply
    130,504.15x = 195,802.70 × 80,526.04
  4. Step 4: Simplify right side
    130,504.15x = 15,767,216,052.31
  5. Step 5: Solve for x
    x = 15,767,216,052.31/130,504.15
  6. Step 6: Final answer
    x = 120,817.74

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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.