Home / 202,463.81-279,402.30-111,817.67

Finding the Fourth Proportional to 202,463.81, 279,402.30 and 111,817.67

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Solution

The fourth proportional to 202,463.81, 279,402.30 and 111,817.67 is: 154,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,463.81 : 279,402.30 = 111,817.67 : x
  2. Step 2: Convert to fraction form
    202,463.81/279,402.30 = 111,817.67/x
  3. Step 3: Cross multiply
    202,463.81x = 279,402.30 × 111,817.67
  4. Step 4: Simplify right side
    202,463.81x = 31,242,112,781.63
  5. Step 5: Solve for x
    x = 31,242,112,781.63/202,463.81
  6. Step 6: Final answer
    x = 154,309.62

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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.