Home / 117,209.30-161,748.18-63,495.36

Finding the Fourth Proportional to 117,209.30, 161,748.18 and 63,495.36

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Solution

The fourth proportional to 117,209.30, 161,748.18 and 63,495.36 is: 87,623.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,209.30 : 161,748.18 = 63,495.36 : x
  2. Step 2: Convert to fraction form
    117,209.30/161,748.18 = 63,495.36/x
  3. Step 3: Cross multiply
    117,209.30x = 161,748.18 × 63,495.36
  4. Step 4: Simplify right side
    117,209.30x = 10,270,258,918.44
  5. Step 5: Solve for x
    x = 10,270,258,918.44/117,209.30
  6. Step 6: Final answer
    x = 87,623.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.