Home / 117,212.84-161,753.48-63,499.18

Finding the Fourth Proportional to 117,212.84, 161,753.48 and 63,499.18

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Solution

The fourth proportional to 117,212.84, 161,753.48 and 63,499.18 is: 87,628.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,212.84 : 161,753.48 = 63,499.18 : x
  2. Step 2: Convert to fraction form
    117,212.84/161,753.48 = 63,499.18/x
  3. Step 3: Cross multiply
    117,212.84x = 161,753.48 × 63,499.18
  4. Step 4: Simplify right side
    117,212.84x = 10,271,213,342.15
  5. Step 5: Solve for x
    x = 10,271,213,342.15/117,212.84
  6. Step 6: Final answer
    x = 87,628.74

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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.