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Finding the Fourth Proportional to 95,430.40, 143,145.60 and 73,355.20

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Solution

The fourth proportional to 95,430.40, 143,145.60 and 73,355.20 is: 110,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,430.40 : 143,145.60 = 73,355.20 : x
  2. Step 2: Convert to fraction form
    95,430.40/143,145.60 = 73,355.20/x
  3. Step 3: Cross multiply
    95,430.40x = 143,145.60 × 73,355.20
  4. Step 4: Simplify right side
    95,430.40x = 10,500,474,117.12
  5. Step 5: Solve for x
    x = 10,500,474,117.12/95,430.40
  6. Step 6: Final answer
    x = 110,032.80

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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.