Home / 78,506.06-117,756.39-22,346.51

Finding the Fourth Proportional to 78,506.06, 117,756.39 and 22,346.51

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Solution

The fourth proportional to 78,506.06, 117,756.39 and 22,346.51 is: 33,519.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,506.06 : 117,756.39 = 22,346.51 : x
  2. Step 2: Convert to fraction form
    78,506.06/117,756.39 = 22,346.51/x
  3. Step 3: Cross multiply
    78,506.06x = 117,756.39 × 22,346.51
  4. Step 4: Simplify right side
    78,506.06x = 2,631,444,346.70
  5. Step 5: Solve for x
    x = 2,631,444,346.70/78,506.06
  6. Step 6: Final answer
    x = 33,519.00

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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.