Home / 117,378.44-161,981.76-63,663.24

Finding the Fourth Proportional to 117,378.44, 161,981.76 and 63,663.24

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Solution

The fourth proportional to 117,378.44, 161,981.76 and 63,663.24 is: 87,855.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,378.44 : 161,981.76 = 63,663.24 : x
  2. Step 2: Convert to fraction form
    117,378.44/161,981.76 = 63,663.24/x
  3. Step 3: Cross multiply
    117,378.44x = 161,981.76 × 63,663.24
  4. Step 4: Simplify right side
    117,378.44x = 10,312,283,662.50
  5. Step 5: Solve for x
    x = 10,312,283,662.50/117,378.44
  6. Step 6: Final answer
    x = 87,855.01

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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.