Home / 117,631.72-162,313.50-69,883.84

Finding the Fourth Proportional to 117,631.72, 162,313.50 and 69,883.84

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Solution

The fourth proportional to 117,631.72, 162,313.50 and 69,883.84 is: 96,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,631.72 : 162,313.50 = 69,883.84 : x
  2. Step 2: Convert to fraction form
    117,631.72/162,313.50 = 69,883.84/x
  3. Step 3: Cross multiply
    117,631.72x = 162,313.50 × 69,883.84
  4. Step 4: Simplify right side
    117,631.72x = 11,343,090,663.84
  5. Step 5: Solve for x
    x = 11,343,090,663.84/117,631.72
  6. Step 6: Final answer
    x = 96,428.84

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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.