Home / 148,457.85-204,871.09-80,474.55

Finding the Fourth Proportional to 148,457.85, 204,871.09 and 80,474.55

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Solution

The fourth proportional to 148,457.85, 204,871.09 and 80,474.55 is: 111,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,457.85 : 204,871.09 = 80,474.55 : x
  2. Step 2: Convert to fraction form
    148,457.85/204,871.09 = 80,474.55/x
  3. Step 3: Cross multiply
    148,457.85x = 204,871.09 × 80,474.55
  4. Step 4: Simplify right side
    148,457.85x = 16,486,908,775.76
  5. Step 5: Solve for x
    x = 16,486,908,775.76/148,457.85
  6. Step 6: Final answer
    x = 111,054.48

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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.