Home / 116,956.48-161,390.16-69,201.50

Finding the Fourth Proportional to 116,956.48, 161,390.16 and 69,201.50

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Solution

The fourth proportional to 116,956.48, 161,390.16 and 69,201.50 is: 95,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,956.48 : 161,390.16 = 69,201.50 : x
  2. Step 2: Convert to fraction form
    116,956.48/161,390.16 = 69,201.50/x
  3. Step 3: Cross multiply
    116,956.48x = 161,390.16 × 69,201.50
  4. Step 4: Simplify right side
    116,956.48x = 11,168,441,157.24
  5. Step 5: Solve for x
    x = 11,168,441,157.24/116,956.48
  6. Step 6: Final answer
    x = 95,492.28

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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.