Home / 117,638.40-176,358.36-51,028.38

Finding the Fourth Proportional to 117,638.40, 176,358.36 and 51,028.38

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Solution

The fourth proportional to 117,638.40, 176,358.36 and 51,028.38 is: 76,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,638.40 : 176,358.36 = 51,028.38 : x
  2. Step 2: Convert to fraction form
    117,638.40/176,358.36 = 51,028.38/x
  3. Step 3: Cross multiply
    117,638.40x = 176,358.36 × 51,028.38
  4. Step 4: Simplify right side
    117,638.40x = 8,999,281,410.26
  5. Step 5: Solve for x
    x = 8,999,281,410.26/117,638.40
  6. Step 6: Final answer
    x = 76,499.52

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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.