Home / 117,312.11-175,964.75-28,564.33

Finding the Fourth Proportional to 117,312.11, 175,964.75 and 28,564.33

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Solution

The fourth proportional to 117,312.11, 175,964.75 and 28,564.33 is: 42,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,312.11 : 175,964.75 = 28,564.33 : x
  2. Step 2: Convert to fraction form
    117,312.11/175,964.75 = 28,564.33/x
  3. Step 3: Cross multiply
    117,312.11x = 175,964.75 × 28,564.33
  4. Step 4: Simplify right side
    117,312.11x = 5,026,315,187.37
  5. Step 5: Solve for x
    x = 5,026,315,187.37/117,312.11
  6. Step 6: Final answer
    x = 42,845.66

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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.