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Finding the Fourth Proportional to 117,035.55, 161,509.10 and 63,320.54

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Solution

The fourth proportional to 117,035.55, 161,509.10 and 63,320.54 is: 87,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,035.55 : 161,509.10 = 63,320.54 : x
  2. Step 2: Convert to fraction form
    117,035.55/161,509.10 = 63,320.54/x
  3. Step 3: Cross multiply
    117,035.55x = 161,509.10 × 63,320.54
  4. Step 4: Simplify right side
    117,035.55x = 10,226,842,302.77
  5. Step 5: Solve for x
    x = 10,226,842,302.77/117,035.55
  6. Step 6: Final answer
    x = 87,382.36

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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.