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Finding the Fourth Proportional to 101,660.53, 140,301.30 and 56,348.32

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Solution

The fourth proportional to 101,660.53, 140,301.30 and 56,348.32 is: 77,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,660.53 : 140,301.30 = 56,348.32 : x
  2. Step 2: Convert to fraction form
    101,660.53/140,301.30 = 56,348.32/x
  3. Step 3: Cross multiply
    101,660.53x = 140,301.30 × 56,348.32
  4. Step 4: Simplify right side
    101,660.53x = 7,905,742,548.82
  5. Step 5: Solve for x
    x = 7,905,742,548.82/101,660.53
  6. Step 6: Final answer
    x = 77,766.10

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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.