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Finding the Fourth Proportional to 148,225.98, 204,551.81 and 80,242.91

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Solution

The fourth proportional to 148,225.98, 204,551.81 and 80,242.91 is: 110,735.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,225.98 : 204,551.81 = 80,242.91 : x
  2. Step 2: Convert to fraction form
    148,225.98/204,551.81 = 80,242.91/x
  3. Step 3: Cross multiply
    148,225.98x = 204,551.81 × 80,242.91
  4. Step 4: Simplify right side
    148,225.98x = 16,413,831,056.19
  5. Step 5: Solve for x
    x = 16,413,831,056.19/148,225.98
  6. Step 6: Final answer
    x = 110,735.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.