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Finding the Fourth Proportional to 117,473.90, 162,114.12 and 63,758.91

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Solution

The fourth proportional to 117,473.90, 162,114.12 and 63,758.91 is: 87,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,473.90 : 162,114.12 = 63,758.91 : x
  2. Step 2: Convert to fraction form
    117,473.90/162,114.12 = 63,758.91/x
  3. Step 3: Cross multiply
    117,473.90x = 162,114.12 × 63,758.91
  4. Step 4: Simplify right side
    117,473.90x = 10,336,219,586.81
  5. Step 5: Solve for x
    x = 10,336,219,586.81/117,473.90
  6. Step 6: Final answer
    x = 87,987.37

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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.