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Finding the Fourth Proportional to 176,477.60, 264,862.20 and 81,853.40

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Solution

The fourth proportional to 176,477.60, 264,862.20 and 81,853.40 is: 122,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,477.60 : 264,862.20 = 81,853.40 : x
  2. Step 2: Convert to fraction form
    176,477.60/264,862.20 = 81,853.40/x
  3. Step 3: Cross multiply
    176,477.60x = 264,862.20 × 81,853.40
  4. Step 4: Simplify right side
    176,477.60x = 21,679,871,601.48
  5. Step 5: Solve for x
    x = 21,679,871,601.48/176,477.60
  6. Step 6: Final answer
    x = 122,847.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.