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Finding the Fourth Proportional to 117,562.80, 176,288.56 and 45,549.44

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Solution

The fourth proportional to 117,562.80, 176,288.56 and 45,549.44 is: 68,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,562.80 : 176,288.56 = 45,549.44 : x
  2. Step 2: Convert to fraction form
    117,562.80/176,288.56 = 45,549.44/x
  3. Step 3: Cross multiply
    117,562.80x = 176,288.56 × 45,549.44
  4. Step 4: Simplify right side
    117,562.80x = 8,029,845,186.41
  5. Step 5: Solve for x
    x = 8,029,845,186.41/117,562.80
  6. Step 6: Final answer
    x = 68,302.60

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1.5x scale

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.