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Finding the Fourth Proportional to 99,099.16, 136,752.06 and 56,662.36

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Solution

The fourth proportional to 99,099.16, 136,752.06 and 56,662.36 is: 78,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,099.16 : 136,752.06 = 56,662.36 : x
  2. Step 2: Convert to fraction form
    99,099.16/136,752.06 = 56,662.36/x
  3. Step 3: Cross multiply
    99,099.16x = 136,752.06 × 56,662.36
  4. Step 4: Simplify right side
    99,099.16x = 7,748,694,454.46
  5. Step 5: Solve for x
    x = 7,748,694,454.46/99,099.16
  6. Step 6: Final answer
    x = 78,191.32

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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.