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Finding the Fourth Proportional to 110,426.50, 152,391.84 and 60,128.74

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Solution

The fourth proportional to 110,426.50, 152,391.84 and 60,128.74 is: 82,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,426.50 : 152,391.84 = 60,128.74 : x
  2. Step 2: Convert to fraction form
    110,426.50/152,391.84 = 60,128.74/x
  3. Step 3: Cross multiply
    110,426.50x = 152,391.84 × 60,128.74
  4. Step 4: Simplify right side
    110,426.50x = 9,163,129,325.48
  5. Step 5: Solve for x
    x = 9,163,129,325.48/110,426.50
  6. Step 6: Final answer
    x = 82,979.44

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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.