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Finding the Fourth Proportional to 176,741.80, 264,821.10 and 87,803.80

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Solution

The fourth proportional to 176,741.80, 264,821.10 and 87,803.80 is: 131,560.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,741.80 : 264,821.10 = 87,803.80 : x
  2. Step 2: Convert to fraction form
    176,741.80/264,821.10 = 87,803.80/x
  3. Step 3: Cross multiply
    176,741.80x = 264,821.10 × 87,803.80
  4. Step 4: Simplify right side
    176,741.80x = 23,252,298,900.18
  5. Step 5: Solve for x
    x = 23,252,298,900.18/176,741.80
  6. Step 6: Final answer
    x = 131,560.84

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Why These Related Problems?

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