Home / 117,918.40-176,899.20-47,804.80

Finding the Fourth Proportional to 117,918.40, 176,899.20 and 47,804.80

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Solution

The fourth proportional to 117,918.40, 176,899.20 and 47,804.80 is: 71,715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,918.40 : 176,899.20 = 47,804.80 : x
  2. Step 2: Convert to fraction form
    117,918.40/176,899.20 = 47,804.80/x
  3. Step 3: Cross multiply
    117,918.40x = 176,899.20 × 47,804.80
  4. Step 4: Simplify right side
    117,918.40x = 8,456,630,876.16
  5. Step 5: Solve for x
    x = 8,456,630,876.16/117,918.40
  6. Step 6: Final answer
    x = 71,715.96

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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.